动词
中文翻译：微笑
同义词：
['smile', 'grin', 'chuckle']
例句：
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1. She gave a big smile when she saw her friend.
她看到朋友时露出了大大的微笑。
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2. He grinned at the camera and took a selfie.
他对着相机露出笑容，拍了一张自拍照。
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3. The old man chuckled as he reminisced about his youthful days.
老人回忆年轻时时笑了。