sociologist 社會學家；

　　zoologist 動物學家。

　　例句：

　　Zoologist Eugene Morton has propounded a general theory of the vocal sounds that animals make.

　　動物學家尤金·莫頓提出了一個有關動物發聲的概括性理論。

　　Zoologists study the development of animal life.

　　動物學家研究動物生活的發展。

　　Services of a zoologist guide, and several Indian guides.

　　一名動物學家向導和幾名印第安人向導服務費。

　　Many zoologists in Europe regarded her ideas as being ridiculous.

　　歐洲許多動物學家認為她的想法荒誕可笑。

　　A zoologist who studies the behavior of animals in their natural habitats.

　　在動物自然棲息地研究它們的行為的動物學家。