back fins翻译

back fins的基本解释

读音: 美: 英:

背鳍：鱼类背部的鳍状器官，用于平衡和控制游泳姿势。

例句

Scientists think their large back fins were used to regulate body temperature.科学家认为他们的大回鱼鳍被用来调节体温。
When people catch sharks, they cut off their fins and throw the sharks back into the ocean.当人们捕捉鲨鱼时，他们切下鲨鱼的鳍，然后把鲨鱼扔回大海。
For years sharks were caught chiefly for their fins; often, indeed, the fins would be cut off and the creature thrown back in the water alive, there to suffer a slow death by drowning.很多年来，捕捉鲨鱼主要就是为了获取它们的鳍。实际上，鲨鱼鳍经常被割掉，而其身体被活活地扔回水里，使其因溺水遭受缓慢死亡的痛苦。
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