be separated by 被 ... 隔断

be separated from 和...分离开, 和...分散

separated into 分离成

1.Human life can not be separated from material life.

人类生活离不开物质生活资料。

2.The world is really big that we will be separated by the ocean.

这个世界确实很大，我们将隔海相望。

3.We separated into several different search parties.

我们分成几个搜索小组。