连词 - 数列连词

used to indicate that one event happens earlier than another event in time

在...之前, 在...之前的时间

used to say that something will happen, when another thing has been concluded

在...之后, 等...之后

used to indicate that something will happen immediately after a certain condition or event occurs

一旦, 只要

up to the point in time or the event mentioned

直到, 在...之前

as soon as, immediately after

立刻, 马上

used to indicate that an action or event follows another one without delay or hesitation

立即, 立刻

used to indicate that something occurs immediately, without delay or hesitation after something else

立刻, 马上

immediately after this; because of something mentioned

于是, 因此