Did you know? Seahorses have no teeth and no stomach. Food passes through their digestive systems so quickly, they must eat almost constantly to stay alive.
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释义
你知道吗?海马没有牙齿和胃。由于摄食后食物会迅速通过消化系统然后排泄,它们几乎得不停地进食以维持生命。
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