Another strange thing about bats is the fact that they can fly in total darkness and yet never bump into anything.

有关蝙蝠的另一件怪事是，它们能在完全的黑暗中飞行，决不会撞到任何东西。

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We only hear that the creature with wings can fly but never hear that the creature like man without wings can fly.

我们只听说有翼的生物会飞，可是没听过没有翼如人的生物会飞；

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