形容词
中文翻译：流动的
同义词：
['flowing', 'flowing', 'fluid', 'liquid']
例句：
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1. The river is so fluid that it can change its course easily.
这条河非常流动，可以轻易地改变流向。
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2. The oil flows freely through the pipeline.
油通过管道自由流动。
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3. The water in the glass is very fluid.
玻璃中的水非常流动。