名词
中文翻译：Unknown
同义词：
['gill', 'slit', 'aperture例句：1. The fish had to open its gills to breathe.（鱼必须张开鳃来呼吸。）2. The scientist discovered a new species of fish with a unique gill opening.（科学家发现了一种具有独特鳃开口的新鱼类。）3. The fisherman used a net to catch the fish', 'which could only swim through the gill openings.（渔夫使用网捕捉了这条鱼，它只能通过鳃开口游动。）']
例句：
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1. The fish had to open its gills to breathe.
鱼必须张开鳃来呼吸。
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2. The scientist discovered a new species of fish with a unique gill opening.
科学家发现了一种具有独特鳃开口的新鱼类。
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3. The fisherman used a net to catch the fish, which could only swim through the gill openings.
渔夫使用网捕捉了这条鱼，它只能通过鳃开口游动。