名词
中文翻译：手语
同义词：
['gestures', 'hand movements']
例句：
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1.The teacher uses hand signals to help the students understand the lesson better.
老师使用手势帮助学生更好地理解课程内容。
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2.They communicated using hand signals during the meeting.
在会议期间，他们通过手势进行交流。
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3.The blind man used hand signals to guide his wife around the house.
盲人用手语指导他的妻子在家中行走。