名词
中文翻译：膝盖垫
同义词：
['Knee Pad', 'Knee Support', 'Knee Cushion']
例句：
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1.I need to buy a knee pad for my running shoes.
我需要为我的跑步鞋买一个膝盖垫。
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2. The doctor recommended that she wear a knee pad during her surgery.
医生建议她在手术期间戴上膝盖垫。
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3.She put on her knee pad and started jogging in the park.
她穿上膝盖垫，开始在公园里慢跑。