就在这时，一个猎人带着四条狗来了。

Just then came a hunter with four dogs.

youdao

随后有一个猎人带了四只狗来了。

Just then a hunter came by with four dogs.

youdao

这次狗来了更加紧密。

This time the dog came closer.

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And he had to attach something to dogs so that their saliva would pour out so he could study saliva.

他给狗套上了一些装置,来收集狗的唾液用以研究。

耶鲁公开课 - 心理学导论课程节选

And to get saliva he had to have dogs.

为了弄到唾液，他找来了几条狗。

耶鲁公开课 - 心理学导论课程节选

And, so, you had this rather odd situation where instead of dogs guarding their masters or mistresses, you had the masters and mistresses guarding the dogs against people who would take the dogs and, unfortunately, kill them and eat them.

真是因为如此,产生了一种奇怪的现象,通常情况下是狗来守护主人的,而现在呢,主人必须时时刻刻保护自己的狗,以免被人抓去宰了吃

耶鲁公开课 - 1871年后的法国课程节选