书籍 Insight - 中级 - 单元 2 - 2E

used to indicate that two things happen at the same time or during something else

当...时, 在...的时候

at a later time

之后, 然后

a span of time

一段时间, 一小段时间

used to refer to a time in the past, showing how much time has passed before the present moment

之前, 以前

after or at the end of a series of events or an extended period

最终, 最后

in a way that is quick and unexpected

突然, 猛然

after a long time, usually when there has been some difficulty

最终, 终于

used to say that something is happening at the same time with another

当...时, 如同