I really difficult to be separated by!

分开我真的很难受！

This can be separated by centrifugation.

它可以用离心法分离。

Multiple jobs should be separated by spaces.

多个作业应该用空白分隔。

The space can be separated by sliding panels.

这些房间通过滑动的镶板隔开。

The boys set to and had to be separated by a teacher.

那些男生大打出手，来了一位老师才把他们拉开。