名词
中文翻译：流动
同义词：
['flow', 'current', 'electrical current']
例句：
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1.The river is a constant source of water for the town.
这条河是这个城镇持续的水源。
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2. The electric current in the wires is strong enough to light the bulb.
电线中的电流足够强，可以点亮灯泡。
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3. The flow of information through the internet is unprecedented.
互联网上信息的流量是前所未有的。