表情表达方式用英语怎么表达？

What are the possible links between facial expressions and emotion?

面部表情和情绪之间可能存在哪些联系？

I can read Diana's thoughts from the changes in her facial expressions.

我能从戴安娜面部表情的变化看出她的.想法。

Students should not worry about when exactly to use certain expressions.

学生不必担心什么时候使用某些特定的表达。