名词
中文翻译：面部表情
同义词：
['expression', 'complexion', 'complexion']
例句：
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1.She gave a serious face tone when she spoke to the boss.
她对老板说话时面露严肃之色。
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2. His face tone changed as he realized his mistake.
他意识到自己的错误后，面色变得难看。
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3. The way she handled the situation showed her true face tone.
她处理事情的方式显示了她的真实面目。