他不胖也不瘦中等身材用英文怎么表达？

　　例句：

　　He isn't tall or short. He is of medium height.

　　他不高也不矮。他中等身高。

　　Mary is kind of thin and is of medium height.

　　玛丽有点瘦，是中等个头。

　　Her mother is a woman of medium height.

　　她妈妈是一位中等身材的妇女。

　　Mary is thin and medium height.

　　玛丽体形瘦，中等个子。