expression作表情可數嗎

例句：

This expression is used mainly in speech, not in writing.

這種表達主要用於口語，而不是書面語。

Try to put a little more expression into it!

儘量注入更多的`感情！

Freedom of expression is a basic human right.

言論自由是基本的人權。

The expression in her eyes told me something was wrong.

她的眼神告訴我出事了。