名词
中文翻译：直流
同义词：
['direct flow', 'direct stream']
例句：
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1. The river is running straightthrough the town.
这条河穿过城镇，一直流淌。
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2. The stream of water was soclear that you could see fish swimming init.
水流非常清澈，可以看到鱼儿在水中游动。
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3. The straight stream provided a refreshingescape from the city's noise.
这条直流为从城市的喧嚣中提供了一种清新的逃离方式。