Only male platypus have venom glands in a spur on their feet to deliver the venom.

只有雄鸭嘴兽在脚部骨刺上有毒腺，分泌毒液。

BALDOMERO OLIVERA: And then we would push out the venom from the venom gland.

巴尔多梅罗·奥利维拉：然后我们会将毒液从毒腺中推出。

Tiny bones in the upper lip are thrust out of its skin, passing through venom glands, picking up venom and then delivering it into a would-be predator.

它们上唇上的小骨刺从皮肤中推出来，通过毒液腺，收集毒液，然后将其传给潜在的捕食者。