Most of them live in the sea and have arms covered with stinging cells.
牠们中的大多数都生活在海里，并且具有覆盖着带刺细胞的臂。
In most jellyfish, these stinging cells are so small that they can't penetrate human skin.
在大多数海蜇中，这些蛰刺细胞非常小，以至于无法。
Most of them live in the sea and have arms covered with stinging cells. They feed on plankton.
它们中的大多数生活在海洋中，手臂上铺盖着蛰刺细胞，以浮游生物为食。
Each tentacle has about 5, 000 stinging cells, which are triggered not by touch but by the presence of a chemical on the outer layer of its prey.
每条触手大约有5000个刺细胞，这些细胞的触发不是由于触摸，而是由于猎物的外层化学物质。
Also known as the sea wasp, this salad-bowl sized jellyfish can have up to 60 tentacles each 15 feet long. Each tentacle has 5,000 stinging cells and enough toxin to kill 60 humans.
绰号海洋中的黄蜂，咸水碗状水母有60条15英尺长的触须，每条触须上有5000个毒刺细胞，足够杀死60个人。
Also known as the sea wasp, this salad-bowl sized jellyfish can have up to 60 tentacles each 15 feet long. Each tentacle has 5,000 stinging cells and enough toxin to kill 60 humans.
绰号海洋中的黄蜂，咸水碗状水母有60条15英尺长的触须，每条触须上有5000个毒刺细胞，足够杀死60个人。
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