还是几乎被咬他们的人消耗尽了？

Or were they nearly drained of it by the one who changed them?

youdao

薇薇：蛇会咬他们吗？

Viv: Do the snakes bite them?

youdao

当他们直接接触侵犯他们的人时则使用他们的尖牙咬他们，而且注射他们的毒液。

When they are directly in contact with their prey they use their fangs to bite them, and inject their venom.

youdao

So they know that "Dog bites cat" is different from "Cat bites dog."

所以他们知道"狗咬猫",和"猫咬狗"是不同的

耶鲁公开课 - 心理学导论课程节选