EN: The present perfect tense ('has received') is formed with 'have/has + past participle'. It connects a past event to the present moment, indicating recent news or an action whose result is currently relevant.
The company has launched a new marketing campaign this week.
EN: A defining relative clause (introduced by 'that') modifies a preceding noun ('a product review'). The relative pronoun 'that' serves as the subject of the clause ('that praises...'), providing essential information about which review is being discussed.
She wrote an article that explains the benefits of regular exercise.
EN: In tech journalism, 'battery life' is often one of the most critical benchmarking criteria for smartwatches, as users frequently compare devices based on whether they require daily charging or can last several days during outdoor activities.
EN: Present perfect passive voice ('have/has been + past participle') combined with 'yet' indicates an action that was expected to happen before now but has not happened up to the present moment.
The final report has not been submitted yet.
EN: 'Be expected + prepositional phrase / infinitive' is a passive structure used to talk about anticipated events or future projections.
The train is expected in ten minutes.
EN: In modern tech product launches, hardware often ships before all advertised software features are ready. Tech companies frequently promise feature rollouts 'later this year' via over-the-air software updates.
EN: A non-defining relative clause is introduced by 'which' and separated by commas. It adds supplementary, non-essential information about the noun ('the smartwatch') without restricting its identity.
The laptop, which costs 900 dollars, comes with a two-year warranty.
EN: The pattern 'the same as...' is used to express equality or identical characteristics between two entities, while comparative degree followed by 'more' can quantify a specific difference (e.g., 'weighs one gram more').
Her phone is the same as mine, but it has slightly more storage.
EN: The price is stated in 'pounds' (British pound sterling, GBP, £), indicating that this product review originates from a UK-based media outlet or focuses on the UK retail market.
EN: The phrase 'every + number + plural noun' indicates frequency, expressing how often an action occurs at regular intervals (e.g., 'every five seconds').
Take this medicine every eight hours.
EN: 'Instead of' is a prepositional phrase meaning 'in place of' or 'rather than'. It is followed by a noun, pronoun, or gerund (-ing form).
He decided to walk instead of taking the bus.
EN: Compound sentence with 'and': Two independent clauses ('The watch has a faster chip' and 'in testing, the battery lasted 79 hours...') are connected by the coordinating conjunction 'and'. Each clause contains its own subject and finite verb.
The phone features a brighter display, and in daily use, it feels much smoother.
EN: The verb 'last' as an intransitive verb meaning 'to continue or endure for a period of time', followed directly by a duration phrase ('79 hours') without a preposition.
The meeting lasted two hours.
EN: In tech reviews, 'between charges' is a standard benchmark phrase referring to battery endurance during continuous daily usage before needing to plug in the device again.
EN: Comparative adverbs are formed by adding '-er' to short adverbs (like 'fast' -> 'faster') to compare how an action is performed. The conjunction 'than' introduces the standard of comparison.
She speaks English much faster than she used to.
EN: The prepositional phrase 'instead of' is used to mean 'in place of' or 'rather than', indicating that one thing is chosen or substituted over another. It is followed by a noun, pronoun, or gerund (-ing form).
He ordered green tea instead of coffee.
EN: In consumer tech journalism, wattage (W) is commonly used to describe charging capability and speed. Early smartwatches and smartphones traditionally used 5-watt chargers, so upgrading to 10 watts marks a notable 2x power increase for faster charging turnaround.
EN: The intransitive verb 'last' is used to express duration (how long something continues or remains functional), often followed directly by a time expression or adverbial phrase of time such as 'more than a week'.
This laptop's battery can easily last all day.
EN: The prepositional phrase 'on a single charge' functions as an adverbial of condition/manner, meaning using only the power supplied by charging once.
The electric car can travel 300 miles on a single charge.
EN: In the wearable technology market, 'adventure watches' refers to rugged outdoor smartwatches (such as those by Garmin or Suunto) designed for hiking, ultra-marathons, and diving. While general smartwatches like the Apple Watch prioritize bright OLED screens and smart app ecosystems—resulting in battery life measured in days—dedicated adventure watches often use energy-efficient displays and larger batteries, enabling them to last several weeks on a single charge.
Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
The amount of time a device can run before its battery needs to be recharged
The speed at which the heart beats, usually measured in beats per minute
Operating continuously after being charged once, without needing another charge
In place of someone or something; rather than