EN： The Present Continuous Tense (am/is/are + verb-ing) is used to describe an action or situation that is happening right now or is currently developing.
中文： 现在进行时（am/is/are + 动词-ing）用来描述此时此刻正在发生或正在发展的情况。
The weather is getting warmer.
天气正在变暖。
EN： In the United States, public health alerts are often issued by federal agencies like the CDC to inform the public about foodborne illness outbreaks, helping consumers avoid contaminated products.
中文： 在美国，公共卫生警报通常由美国疾病控制与预防中心等联邦机构发布，以告知大众有关食源性疾病爆发的消息，帮助消费者避免购买受污染的产品。
EN： Use 'get sick from + cause' to explain what made someone ill. In the past tense, 'get' becomes 'got'.
中文： 使用「get sick from + 原因」来解释某人因为什么而生病。在过去式中，「get」要变成「got」。
Many people got sick from the bad water.
许多人因为不干净的水而生病。
EN： In the United States, foodborne illness outbreaks are closely monitored by federal agencies like the CDC and FDA. When outbreaks occur, public health alerts are issued to warn consumers about contaminated food products.
中文： 在美国，食源性疾病（食物中毒）的爆发受到美国疾病管制与预防中心（CDC）和美国食品药物管理局（FDA）等联邦机构的密切监控。一旦爆发疫情，官方会发布公共卫生警报，以警告消费者注意受污染的食品。
EN： The pattern 'is called' is used to give the name of a person, animal, or thing. It is a passive form, meaning 'has the name of'.
中文： 「is called」的句型用来表示某人、动物或事物的名称。这是一种被动用法，意思是「被称为」或「名字是」。
This flower is called a rose.
这种花被称为玫瑰。
EN： Cyclospora is a microscopic parasite that causes foodborne illness. In the United States, outbreaks are often linked to imported fresh produce.
中文： 环孢子虫是一种会引起食物中毒的微小寄生虫。在美国，疫情爆发通常与进口的新鲜农产品有关。
EN： The verb 'make' can be followed by an object (people) and an adjective (sick) to mean 'cause someone to be in a certain state'.
中文： 动词「make」后面可以接宾语（人）和形容词（生病的），表示「使某人处于某种状态」。
The sad movie makes me sad.
那部悲伤的电影让我感到难过。
EN： The relative pronoun 'who' is used to introduce a relative clause (who eat the bad food) that describes the noun 'People'. It tells us exactly which people we are talking about.
中文： 关系代词「who」用来引导关系从句（who eat the bad food），修饰前面的名词「People」（人们），用来明确指出我们所指的是「哪些人」。
Students who study hard can pass the exam.
努力学习的学生可以通过考试。
EN： The Present Continuous tense (is/am/are + verb-ing) is used to describe an action that is happening right now or is currently in progress.
中文： 现在进行时（is/am/are + 动词-ing）用来描述此时此刻正在发生或正在进行的动作。
She is reading a book.
她正在读一本书。
EN： The CDC (Centers for Disease Control and Prevention) is the national public health agency of the United States. It plays a critical role in detecting and responding to health threats, including foodborne illness outbreaks.
中文： 美国疾病管制与预防中心（CDC）是美国的国家公共卫生机构。它在检测和应对健康威胁（包括食源性疾病爆发）方面扮演着关键角色。
EN： Use 'This is a/an + noun' to identify or introduce a singular thing or situation.
中文： 使用「This is a/an + 名词」的句型来识别或介绍单一的事物或情况。
This is a major problem.
这是一个重大的问题。
EN： In the United States, food safety is monitored by federal agencies like the CDC and FDA. Because food is shipped across state lines, a contamination event often becomes a 'multistate' outbreak, requiring coordinated federal investigation.
中文： 在美国，食品安全由美国疾病管制与预防中心（CDC）和美国食品药物管理局（FDA）等联邦机构监管。由于食品经常跨州运送，污染事件往往演变成「跨州」（multistate）爆发，需要联邦政府进行协调调查。
EN： Using 'and' to connect items in a list. When listing three or more items, we put commas between the items and use 'and' before the last item.
中文： 使用「and」来连接列表中的项目。当列出三个或更多项目时，我们在项目之间放逗号，并在最后一个项目之前使用「and」。
I like apples, bananas, and oranges.
我喜欢苹果、香蕉和柳橙。
EN： The states mentioned (Michigan, Ohio, West Virginia, and Kentucky) are geographically close to each other, spanning the Midwestern and Southern regions of the United States. In US news, foodborne illness outbreaks are often tracked by state to help the CDC and FDA locate the regional distributor of the contaminated food.
中文： 这里提到的州（密西根州、俄亥俄州、西维吉尼亚州和肯塔基州）在地理位置上非常邻近，横跨美国的中西部与南部地区。在美国新闻中，食源性疾病爆发通常会按州进行追踪，以帮助美国疾病管制与预防中心和美国食品药物管理局锁定受污染食品的区域分销商。
EN： Use 'more than' before a number to mean 'over' or 'greater than' that amount.
中文： 在数字前面使用「more than」表示「超过」或「多于」该数量。
More than 50 people attended the party.
超过 50 人参加了这场派对。
EN： In the United States, public health announcements often group data by states. The 'four states' mentioned here refer to Michigan, Ohio, West Virginia, and Kentucky, which are geographically connected or close to each other in the Midwestern and neighboring regions.
中文： 在美国，公共卫生公告经常按州来分类数据。这里提到的「这四个州」指的是密西根州、俄亥俄州、西维吉尼亚州和肯塔基州，这些州在地理位置上相互连接或相邻，位于中西部及邻近地区。
EN： The relative pronoun 'that' is used to introduce a relative clause ('that is making people sick') which describes and gives more information about the noun before it ('the food').
中文： 关系代词「that」用来引导关系子句（that is making people sick），用以修饰并说明前方名词（the food）的具体细节。
I like the book that is on the table.
我喜欢桌上的那本书。
EN： The word 'which' is used to ask about or point to a specific choice among a limited number of possibilities. In this sentence, 'which food' acts as the subject of the noun clause 'which food caused the outbreak'.
中文： 单词「which」（哪一个）用来在有限的选项中询问或指出特定的选择。在本句中，「which food」（哪种食物）作为名词子句「which food caused the outbreak」的主词。
I do not know which bus goes to the museum.
我不知道哪一班公车可以到博物馆。
EN： We use 'but' to connect two opposite or contrasting ideas. It shows that despite the first action (checking many foods), the second action had a different, unexpected result (not finding the answer).
中文： 我们使用「but」（但是）来连接两个相反或对比的想法。它表示尽管进行了第一个动作（检查了许多食物），却产生了不同且令人意外的第二个结果（还没有找到答案）。
I looked for my keys, but I did not find them.
我找了我的钥匙，但我没有找到它们。
EN： The CDC (Centers for Disease Control and Prevention) and the FDA (Food and Drug Administration) are two major government agencies in the United States. The CDC focuses on public health and disease prevention, while the FDA regulates food safety and medicines. They often work together during foodborne illness outbreaks to protect the public.
中文： 美国疾病管制与预防中心（CDC）和美国食品药品监督管理局（FDA）是美国两个主要的政府机构。美国疾病管制与预防中心专注于公共卫生和疾病预防，而美国食品药品监督管理局则负责监管食品安全和药物。在发生食源性疾病爆发时，他们经常合作以保护公众安全。
EN： The pattern 'continue to + verb' is used to show that an action keeps happening or will keep happening without stopping.
中文： “continue to + 动词”的句型用来表示某个动作会持续进行、不停止。
We will continue to study English every day.
我们将会继续每天学习英文。
EN： Use 'For now' to describe a situation that is true at the present moment, but might change in the future.
中文： 使用「For now」来描述目前属实、但未来可能会改变的情况，中文常译为「目前」或「暂时」。
For now, the weather is sunny, but it might rain later.
目前天气晴朗，但待会可能会下雨。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 警报、警戒状态
在本文中： 寄生虫
在本文中： 腹泻、拉肚子
在本文中： 调查
在本文中： （疾病等）爆发
在本文中： 官员、政府工作人员
在本文中： 调查人员
在本文中： 谜、神秘的事物
片语包含类型标示、双语定义、用法说明和例句。
A warning about a public health danger or issue.
健康警报
To become ill.
生病
An incident in which two or more people get the same illness from the same contaminated food.
食物中毒事件、食品安全疫情爆发
To search for someone or something.
寻找