名词
中文翻译：浮子孔
同义词：
['floating hole', 'floater hole', 'floater cavity']
例句：
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1. The engineer found a floating hole in the wall that could be used as a vent.
工程师在墙上发现了一个可以用作通风的浮动孔洞。
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2. The ship's captain noticed a floating hole in the hull that needed to be repaired.
船长注意到船体上有一个需要修理的浮动孔洞。
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3. The scientist discovered a floating hole in the ocean floor that could hold up to 50 tons of water.
科学家在海底发现了一个能够容纳多达50吨水的浮动孔洞。