sociologist 社会学家；
zoologist 动物学家。
例句：
Zoologist Eugene Morton has propounded a general theory of the vocal sounds that animals make.
动物学家尤金·莫顿提出了一个有关动物发声的概括性理论。
Zoologists study the development of animal life.
动物学家研究动物生活的发展。
Services of a zoologist guide, and several Indian guides.
一名动物学家向导和几名印第安人向导服务费。
Many zoologists in Europe regarded her ideas as being ridiculous.
欧洲许多动物学家认为她的`想法荒诞可笑。
A zoologist who studies the behavior of animals in their natural habitats.
在动物自然栖息地研究它们的行为的动物学家。