EN： The Present Continuous Tense (am/is/are + verb-ing) is used to describe actions that are happening right now or around the present time.
中文： 现在进行时（am/is/are + 动词-ing）用来描述此时此刻或现阶段正在发生的动作。
The teachers are helping the students with their homework.
老师们正在帮助学生写作业。
EN： Cleveland, Ohio is home to the world-famous Cleveland Clinic, which is renowned for its medical research and high-quality healthcare. News about health warnings from doctors in this area is highly regarded.
中文： 俄亥俄州的克利夫兰是世界闻名的克利夫兰诊所所在地，该诊所以其医学研究和高质量的医疗服务而闻名。因此，该地区医生发出的健康警告非常受到重视。
EN： The phrasal verb 'come from' is used to show the origin or source of something. When talking about a singular subject (like 'the illness'), we add 's' to the verb: 'comes from'.
中文： 动词短语“come from”用来表示某事物的来源或起因。当主语是单数（例如“the illness”）时，动词要加上“s”变成“comes from”。
This delicious juice comes from fresh apples.
这款好吃的水果汁来自新鲜的苹果。
EN： Using 'that' to give more information about a noun (relative clause). 'that makes people sick' describes what kind of 'living thing' we are talking about.
中文： 使用“that”来引导关系从句，以提供关于名词的更多信息。“that makes people sick”（会让人类生病的）用来修饰并说明它是哪一种“生物”（living thing）。
I have a dog that barks a lot.
我有一只经常叫的狗。
EN： The modal verb 'can' is used to express possibility or ability. It is followed by the base form of the verb (in this case, 'live').
中文： 情态助动词“can”用来表示可能性或能力。后面必须接动词原形（在此句中为“live”）。
Birds can fly high in the sky.
鸟儿可以在高空中飞翔。
EN： Use 'since' to show when an action or situation started in the past and continues to the present. It is often used with the present perfect tense, but in simple past contexts, it marks the starting point of a duration.
中文： 使用“since”（自从）来表示某个动作或情况在过去开始并持续到现在的时间点。它常用于现在完成时，但在简单过去时的语境中，它标记了某段持续时间的起点。
I have been busy since Monday.
我从星期一开始就很忙。
EN： In the United States, public health agencies like the CDC (Centers for Disease Control and Prevention) closely monitor foodborne illnesses and issue warnings to the public to prevent outbreaks, especially during warmer months when bacteria and parasites thrive.
中文： 在美国，疾病控制与预防中心（CDC）等公共卫生机构会密切监测食源性疾病，并向公众发布警告以防止疫情爆发，特别是在细菌和寄生虫易于滋生的温暖月份。
EN： The word 'alone' can be placed after a noun or a place name to emphasize that this single thing or place is enough to make a point, meaning 'only' or 'by itself'.
中文： 单词“alone”可以放在名词或地名后面，用来强调光是这一个事物或地方就足以说明问题，意思是“单单”、“光是”。
The ticket alone costs one hundred dollars.
光是门票就要花一百美元。
EN： Michigan is a state in the Great Lakes region of the upper Midwestern United States. In news reports about outbreaks, mentioning a specific state with 'alone' helps the audience understand the scale of the problem by showing how severe it is in just one area.
中文： 密歇根州是位于美国中西部五大湖地区的一个州。在有关疫情爆发的新闻报道中，使用“alone”来提及某个特定的州，可以让读者通过了解单一地区的严重程度，进而明白整体问题的规模有多大。
EN： We use 'higher than usual' to compare a current situation with what normally happens. 'Higher' is the comparative form of 'high', and 'than usual' means 'compared to what is normal'.
中文： 我们使用“higher than usual”（比往常高）来将现状与平时的情况进行比较。“higher”是“high”（高）的比较级，而“than usual”的意思是“与往常相比”。
The temperature today is higher than usual.
今天的温度比往常还要高。
EN： Use 'between A and B' to show a range of time, numbers, or places.
中文： 使用“between A and B”来表示时间、数量或地点的范围（在 A 与 B 之间）。
The shop is closed between 12:00 and 1:00.
这家店在 12:00 到 1:00 之间休息。
EN： When talking about a singular third-person subject (he, she, it, or a single person's name) doing a regular action in the present, we add '-s' or '-es' to the verb. Here, 'Doctor Neha Vyas' is one person (she), so the verb 'work' becomes 'works'.
中文： 当我们用现在时描述第三人称单数（他、她、它或单个人的名字）的规律动作时，动词词尾需要加上“-s”或“-es”。在这里，“尼哈·维亚斯医生”是单一个人（她），因此动词“work”要变成“works”。
He works at a school.
他在一所学校工作。
EN： The Cleveland Clinic is a highly respected, world-renowned non-profit academic medical center based in Cleveland, Ohio. It is consistently ranked as one of the top hospitals in the United States.
中文： 克利夫兰诊所（Cleveland Clinic）是总部位于俄亥俄州克利夫兰的顶尖非营利学术医疗中心，在国际上享有盛誉。它经常被评为美国最优秀的医院之一。
EN： The verb 'say' is often followed by a 'that' clause to report what someone said. In everyday English, the word 'that' is frequently omitted, leaving just the subject and verb of the reported statement (e.g., 'She said [that] the parasite comes...').
中文： 动词“say”（说）后面经常接一个由“that”引导的从句，用来转述某人说过的话。在日常英语中，“that”经常会被省略，直接接上所转述的主语和动词（例如：'She said [that] the parasite comes...'）。
He said the water is cold.
他说水很冷。
EN： In English, the word 'produce' (with stress on the first syllable) is a collective noun used to refer to fresh fruits and vegetables, especially when sold in a supermarket or market. It is different from the verb 'produce' (to make or create), which has the stress on the second syllable.
中文： 在英文中，'produce'（重音在第一个音节）是一个集合名词，专指新鲜的水果和蔬菜，特别是在超市或市场贩售的农产品。这与动词 'produce'（生产、制造，重音在第二个音节）不同。
EN： The pattern 'get sick from [something]' is used to show the cause of an illness. 'Get' means 'become', and 'from' introduces the source or reason for getting sick.
中文： “get sick from [事物]”这个句型用来表示生病的原因。“get”在这里的意思是“变得”，而“from”则用来引出导致生病的来源或原因。
You can get sick from eating old food.
你可能会因为吃不新鲜的食物而生病。
EN： The phrase 'get sick from' is used to show the cause of an illness. 'Get' is the action verb (changed to 'got' for past tense), 'sick' is the state, and 'from' introduces the source or reason for the sickness.
中文： 短语“get sick from”用来表示生病的原因。“get”是动词（过去式用“got”），“sick”是形容词表示生病的状态，“from”后面则接上导致生病的来源或原因。
Many people got sick from the cold weather.
许多人因为寒冷的天气而生病了。
EN： The modal verb 'can' is used here to express possibility, meaning that something is able to happen or is likely to happen in certain situations.
中文： 情态助动词“can”在此处用于表示“可能性”，意思是某件事在特定情况下有可能会发生。
Cold weather can cause skin problems.
寒冷的天气可能会引起皮肤问题。
EN： The modal verb 'can' is used here to express possibility, meaning that something is able to happen or is likely to occur under certain conditions.
中文： 情态助动词“can”在此处用于表示“可能性”，意思是某件事在特定情况下有可能会发生。
You can get a cold in the winter.
你在冬天有可能会感冒。
EN： The pattern 'not everyone' is used for partial negation. It means 'some people will, but some people will not.' It does not mean 'no one.'
中文： “not everyone”的句型用于“部分否定”。意思是“有些人会，但有些人不会”，并不代表“没有人会”。
Not everyone likes spicy food.
并非每个人都喜欢辣的食物。
EN： The conjunction 'but' is used to connect two contrasting ideas. In this sentence, it connects 'have the parasite' (which usually makes people sick) with 'feel fine' (which is unexpected).
中文： 连接词“but”（但是）用来连接两个对比的想法。在这句话中，它将“体内有寄生虫”（通常会让人不舒服）与“感觉很好”（出乎意料的结果）连接起来。
He is tired but happy.
他很累，但是很高兴。
EN： The modal verb 'should' is used to give advice or recommendations. It is followed by the base form of the verb (in this case, 'take').
中文： 情态助动词“should”（应该）用于给予建议或推荐。其后接动词原形（在此句中为“take”）。
You should wash your hands before eating.
你应该在吃东西前洗手。
EN： The modal verb 'should' is used to give advice or recommendations. It is followed by the base form of the verb (in this case, 'wash').
中文： 情态助动词“should”用来给予建议或劝告。后面必须接动词原形（在此句中为“wash”）。
You should drink more water every day.
你每天应该多喝水。
EN： In many Western countries, including the United States, it is a standard food safety recommendation to thoroughly wash all raw agricultural produce under running water, even if it is organic, to prevent foodborne illnesses from parasites or bacteria.
中文： 在包括美国在内的许多西方国家，即使是标榜有机的农产品，官方也强烈建议在流动的清水下彻底清洗所有生鲜蔬果，以防止因寄生虫或细菌引起的食源性疾病。
EN： The pattern 'be important for + V-ing' is used to show the purpose or reason why something is necessary. We use the '-ing' form of the verb after the preposition 'for'.
中文： 句型“be important for + 动名词 (V-ing)”用来表示某事对特定目的或活动的重要性。介词“for”后面必须接动词的“-ing”形式（动名词）。
Regular exercise is important for staying healthy.
规律运动对于保持健康非常重要。
EN： In English, 'produce' (pronounced with stress on the first syllable: PRO-duce) is a collective noun that refers to fresh fruits and vegetables. It is commonly used in supermarkets and food safety contexts in the United States.
中文： 在英语中，“produce”（重音在第一个音节：PRO-duce）是一个集合名词，专指新鲜的蔬菜和水果。这在美国的超市和食品安全宣传中是非常常见的用法。
EN： The verb 'help' can be followed by an object and then a base verb (without 'to') to show who is being assisted and what they are being helped to do. The pattern is: help + someone + do something.
中文： 动词“help”（帮助）后面可以接“人”和“原形动词”（不加 to），用来表示帮助某人做某事。句型结构为：help + 某人 + 做某事。
This map will help you find the library.
这张地图将帮助你找到图书馆。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 寄生虫（一种寄生在其他生物身上并从中获取养分的微小生物，会使人致病）
在本文中： 农产品（尤指新鲜的蔬菜和水果）
在本文中： （胃部或肌肉的）痉挛、绞痛
在本文中： 预防措施
在本文中： 腹泻、拉肚子
在本文中： 警告、提醒注意
在本文中： 通常的、平常的
在本文中： 健康的
片语包含类型标示、双语定义、用法说明和例句。
An illness caused by eating contaminated food.
食源性疾病（食物中毒）
To take actions in advance to prevent something bad or dangerous from happening.
采取预防措施
To increase in price, level, or amount.
上升、增长