| 释义 |
1 ?盲蛇 ... 袋森鼠（负子鼠） Burramys parvus 盲蛇 burrowing snakes 囊；粘液囊；滑囊 bursa ...
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Legs on snakes likely disturbed some form of movement, such as burrowing, rendering the legs useless. 蛇的腿可能打扰了它的某些活动，比如，掘穴，逐渐就表现的没有用处了。 - 2
Growing to about a foot (30 centimeters) long, blind snakes act a lot like worms, burrowing under the surface of every continent except Antarctica. 除了南极洲，在地球上的其他各大洲都可以见到盲蛇。 它们钻入土壤中，就像一条蠕虫一样，而它们的身长也只能达到一英尺（30厘米）。 - 3
Some believed that snakes evolved on land, and that their ancestors were small, burrowing lizards. 一些科学家认为蛇从陆地上进化而来，它们的祖先是小的，穴居的蜥蜴。
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