介词短语
中文翻译：在垫子上
同义词：
['on the floor', 'on the carpet', 'on the rug']
例句：
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1.She sat on the mat and started toplay with her toys.
她坐在垫子上，开始和她的小玩具玩耍。
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2. Thedog was lying on the mat, enjoyingthe sun.
那只狗躺在垫子上，享受着阳光。
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3. We decided to havea picnic on the mat in the park.
我们决定在公园的垫子上野餐。