名词
中文翻译：空心浮体
同义词：
['hollow cylinder', 'hollow sphere', 'hollow tube例句：1. The hollow float was designed to reduce drag and improve stability.（这个空心浮体的设计是为了减少阻力和提高稳定性。）']
例句：
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1. The hollow float was designed to reduce drag and improve stability.
这个空心浮体的设计是为了减少阻力和提高稳定性。
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2.The hollow float was used in the experiment to measure the fluid flow.
在实验中，空心浮体被用来测量流体流动。
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3.The hollow float was filled with water and floated on the surface of the lake.
空心浮体被装满水，漂浮在湖面上。