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sting A stiff pointed spine, integumentary sheath, and accompanying venom glands. The integumentary sheath generally includes the venom glands, e.g. sting of Dasyatidae. 刺一根硬的尖棘，具外皮鞘，而且伴随著毒腺。一种外皮鞘，通常包括毒腺，例如土魟科的刺。