管理员摘要：
The expression on his face never changed. 他的.面部表情总是一成不变。 There was a bored expression on her face. 她脸上有一种厌倦的表情。 His expression changed from amazement to joy. 他的表情由惊变喜。……
The expression on his face never changed.
他的.面部表情总是一成不变。
There was a bored expression on her face.
她脸上有一种厌倦的表情。
His expression changed from amazement to joy.
他的表情由惊变喜。