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。

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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。

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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。

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The component inhibits stinging cells from firing by interfering with several stages of their biochemical pathway, from the sensing mechanism through to reducing the pressure in the cells.

BBC: Sting relief for summer swimmers