sub
Произношение: [/sʌb/]
Слово
Контекст: «education»
(noun) a short form of a subject or topic. It's like a smaller part of a bigger topic that you learn about in school.
Пример
In math class, we learned about subtraction, which is a subtopic of arithmetic.
Пример
We didn't have time to cover the subcategories of the main topic in today's lesson.
Пример
Can you explain what a subfield is in science?
Контекст: «replace»
(verb) to take the place of someone or something. It's like being an understudy in a play, ready to step in if needed.
Пример
I had to sub for my colleague at work when she was sick.
Пример
No one could sub for the lead actor in the play, so they had to cancel the show.
Пример
Who will sub for the music teacher while she is on vacation?
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