Their stinging cells aren’t powerful enough to harm humans.

它们的刺不足伤害人类。

The stinging cells in the tentacles release a harpoon of venom that stabs their prey and injects venom which paralyzes them and they can begin to consume that prey.

触手里的刺放出毒刺，刺入猎物并注入毒，这样猎物就会瘫痪，它们就可吞食猎物了。

Plus, corals are related to anemones and jellyfish, and the fleshy polyps have nasty stinging cells called , which resemble tiny harpoons that spear prey or potential attackers and can inject chemicals.

此外，珊瑚与海葵和水母有亲缘关系，而这种肉质息肉有令人讨厌的带刺， 这种刺类似于微型鱼叉， 可用长矛捕食或攻击潜在的攻击者， 并可注入化学物质。