一个信息被延迟或一个事件被推迟的时间量。
The amount of time by which a signal is delayed or an event retarded.
有时,它会提供额外的信息,比如一个唯一ID或一个事件日期。
Sometimes it gives additional information, such as a unique ID or an event date.
因此,图画符号必然逐渐地代表声音而不是代表一个景象或一个事件。
Gradually, therefore, the pictorial signs must have came to stand for sounds rather than a scene or an event.
Use "When" whenever you want to ask about the timing of a certain event or series of events.
当你想要询问一个或一系列事件的具体时间时,你可以用“When”句型。
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