名词
中文翻译：表情
同义词：
['appearance', 'gesture', 'manifestation', 'mannerism', 'posture']
例句：
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1. She gave a warm smile to show her approval of the new policy.
她用一个温暖的微笑来表示对新政策的赞同。
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2. The teacher's stern expression made the students feel nervous.
老师严肃的表情让学生们感到紧张。
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3. His gentle expression softened the harsh tone of his speech.
他温和的表情软化了他讲话的严厉语气。