名词
中文翻译：鳃盖
同义词：
['gill cover', 'gill flap']
例句：
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1.The fish swims through the water with its gills open.
这条鱼用鳃呼吸，鳍张开。
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2. The scientist studied the structure of the gills in the fish.
科学家研究了鱼鳃的结构。
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3. The fish's gills are essential for breathing underwater.
鱼的鳃对于水下呼吸至关重要。