名词
中文翻译：膝盖抬起
同义词：
['knee raise', 'knee lifter例句：1. She lifted her knees to avoid the sharp edge of the table.（她抬起膝盖以避免桌子尖锐的边缘。）']
例句：
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1. She lifted her knees to avoid the sharp edge of the table.
她抬起膝盖以避免桌子尖锐的边缘。
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2. The doctor advised him to lift his knees when he sat down.
医生建议他坐下时抬高膝盖。
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3.During the race, athletes often use knee lifts to gain speed and power.
在比赛中，运动员经常使用膝部抬高来获得速度和力量。