2.1.6 副词

1）副词在一个句子中作表语，主要用来表示状态。

例句：Transistor B is on.

译文：三极管B是通的。

2）副词在句中也可以作补足语，用来表示状态。

例句：This signal can make Transistor Y off.

译文：这个信号可以使三极管Y关闭。

3）副词在句中也可以作定语，但是这时它只能后置。

● 某些表示地点的副词，常见的有above, below, here, there, around, nearby, up, down, on等。

例句1:The two principles below are very useful.

（=The following two principles ...

or he two principles which follow ...）

译文：下面的这两个原理非常有用。

例句2:The tribe must keep in touch with the world around.

译文：这个部落必须和周围的世界保持联系。

例句3:The capacitance（电容）of a capacitor depends on the size of the plates and their distance apart.

● 某些表示时间的副词，常见的有now, then, today等。

例句：The challenge now is how to solve the puzzle.

●“数量状语+副词（apart, away等）”的形式。

例句1:WeChat enables one to establish contact with the people thousand miles away.

例句2:This type of instrument puts the keys in two wells（凹槽）half a shoulder distance apart.

例句3:The scientists 100 years ago could not understand that.

例句4:The designer moves forward from this point to a point a little further on.