They can't regenerate like an earthworm or crawl like a snake, but they have tiny, dagger-like needles inside their mouths that some of them use to spearfish their prey and suck out the insides.
不能蚯蚓一样再生, 也不能一样爬行,但嘴里有细小、首一样针, 其中一些用来用矛刺猎物并吸出内脏。
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