facial expression可数吗

　　It has a distinctive facial expression again.

　　又一次有了与众不同的面部表情。

　　Smiling is much more then just a facial expression.

　　微笑绝不仅仅只是普通的.面部表情。

　　Some people even still show irksome facial expression.

　　有些人甚至还显出厌恶的神情。