名词
中文翻译：膝盖
同义词：
['knee', 'kneecap', 'knee joint例句：1. He sat on thecouch with his knees pulled up to hischest.（他坐在沙发上，膝盖紧贴胸部。）']
例句：
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1. He sat on thecouch with his knees pulled up to hischest.
他坐在沙发上，膝盖紧贴胸部。
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2.She knelt down to tie hershoelaces.
她跪下来系鞋带。
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3. The dancer plies her fingersgracefully across the floor.
舞者优雅地在地板上挥动手指。