面部表情的用法和樣例：
例句
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臉，面容一個(gè)人的臉部或面部表情；面容
The face or facial expression of a person; countenance. -
笑咧嘴而笑地顯示出的面部表情
The facial expression produced by grinning. -
演講者從聽(tīng)眾的面部表情上可以看得出，哪些學(xué)生對他講的內容是真正產(chǎn)生共鳴的。
The lecturer could see form the expressions on the faces of his audience which students were really tuned in to what he was saying.
