某些刺胞动物体内的一种囊状结构,内含带倒刺的线状管,可发出麻痹性刺蜇。
某些刺胞动物体内的一种囊状结构,内含带倒刺的线状管,可发出麻痹性刺蜇。
A capsule, in certain cnidarians, containing a barbed, threadlike tube that delivers a paralyzing sting
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