facial expression可數(shù)嗎

　　It has a distinctive facial expression again.

　　又一次有了與眾不同的面部表情。

　　Smiling is much more then just a facial expression.

　　微笑絕不僅僅只是普通的面部表情。

　　Some people even still show irksome facial expression.

　　有些人甚至還顯出厭惡的神情。