就像那些蝌蚪一样，我们长出了腿，并跳进了这个世界。
Like those tadpoles, we grew legs and hopped off into the world.
能够发出声音的往往是昆虫幼虫，它们生活在陆地上，在空气中制造出声音，而不是像这种蝌蚪一样在水下发出声音。
Those that do tend to be insect larvae, which live on land, making their sounds into the air rather than underwater.
这种情况，叫做动态持续，意味着它保留着它的像蝌蚪一样的贯穿整个身体的背鳍，从头后面突出的像羽毛一样的外腮。
This condition, called neoteny, means it keeps its tadpole-like dorsal fin, which runs almost the length of its body, and its feathery external gills, which protrude from the back of its wide head.
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