名词
中文翻译：流体
同义词：
['fluidity', 'liquid', 'fluid substance']
例句：
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1. The oil is a fluid that flows easily.
油是一种流动性很强的液体。
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2. The blood in the body is a fluid that carries oxygen to all parts of the body.
体内的血液是一种流动的液体，它携带氧气到身体的各个部分。
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3. The water in the lake is a fluid that can be poured out with a bucket.
湖里的水是一种可以用手桶舀出的流动液体。