The theory seems plausible for platypuses, which are amphibious creatures. Echidnas, however, dwell solely on land.

这个理论对两栖的鸭嘴兽来说有些道理，然而针鼹却是完全陆生的动物。

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The theory seems plausible for platypuses, which are amphibious creatures. Echidnas, however, dwell solely on land.

这个理论对两栖的鸭嘴兽来说有些道理，然而针鼹却是完全陆生的动物。

youdao