词典释义：
双语例句
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Fish, some amphibians and primitive egg-laying mammals such as the duck-billed platypus use similar pits to pick up electric fields generated by nearby animals.
鱼，一些两栖类和原始的产卵的哺乳动物，如鸭嘴兽，使用类似的凹陷获得附近的动物产生的电场。