名词
中文翻译：水速
同义词：
['flow rate', 'water flow velocity']
例句：
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1. The ship's speed is determined by the water velocity at its hull.
船的速度由船体处的水流速度决定。
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2. The scientist used a device to measure the water velocity in the river.
科学家使用一种装置来测量河中的水流速度。
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3. The wind has increased the water velocity on the beach.
风增加了海滩上的水流速度。