among

The girl quickly disappeared among the crowd.

女孩转眼消失在人群中。

I could hear voices coming from somewhere among the bushes.

我能听到灌木丛中某个地方传来说话的声音。

We walked among the chestnut woods on the mountain slopes.

我们走在山坡上的栗树林中。

She began rummaging among the books on her desk.

她开始在桌子上的一堆书中乱翻起来。

She was the eldest among them.

她是他们当中年纪最大的。