名词
中文翻译：摇动的下巴
同义词：
['jaws', 'jaws例句：1. She had a rocking jaw when she spoke.（她说话时下巴摇来摇去。）']
例句：
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1. She had a rocking jaw when she spoke.
她说话时下巴摇来摇去。
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2. The old man had a rocking jaw and couldn't stop smiling.
老人下巴摇来摇去，笑得停不下来。
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3. He had a rocking jaw and looked like he was about to say something important.
他下巴摇来摇去，看起来好像要说什么重要的话。