短语讲解：

1. If separated, they should check on each other periodically.

each other 相互
例句：Do you often help each other with your lessons?
你们经常互相帮助复习功课吗？

2. This means students offer help if they see someone in danger of being assaulted.

in danger of 处于…危险之中
例句：Apes are in danger of extinction
猿类正处于绝种的危险之中。

3. They include methods for researching the sex crime “climate” of the university and improving systems for reporting crimes as well as prevention programs.

as well as 也，又
例句：Let' s share in our troubles as well as in our joys.
让我们同甘共苦吧。
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