mainly：adv.主要地;首要地;大部分;大多；

例：

Police work is mainly routine.

警察的工作主要都是按常规的。

扩展资料

The tanks were mainly constructed of steel plates.

这些坦克车主要是用钢板制造的。

The day should be mainly dry with sunny intervals.

白天大部分时间应无雨，间有阳光。

The target audience for this advertisement was mainly teenagers.

这个广告的对象主要是十几岁的青少年观众。