定時(shí)間的用法和樣例：
例句
-
在某一特定時(shí)間內，有關(guān)文件變化的一種記錄。
A record of changes in a file made at a particular time. -
商業(yè)中心已劃為專(zhuān)門(mén)區域；送貨車(chē)輛只在特定時(shí)間才能出入該地區。
The commercial center has now been zoned off: delivery vans may only enter and leave at specified times. -
那個(gè)男孩只用了規定時(shí)間的一半就迅速將試卷做完了。
The boy whizzed through the examination in half the time allowed.
