parasite相关的词根或词缀是: sito

Still , being a parasite does get frustrating .

即便如此，当一只寄生虫确实让人沮丧。

And that kept the worms one evolutionary step ahead of the parasite .

有性繁殖让这些蠕虫在进化节奏上又快了寄生虫一步。

One boss calls him a " parasite " who must be eliminated .

某位老板就称他是一只必须被消灭的“寄生虫”。

Killing the host is terminal for the parasite as well as the person .

杀死宿主对于寄生虫以及受感人体来说都是一种极端的做法。

Finally , the parasite returns to a mosquito when the insect bites an infected person .

最后，当蚊子叮咬被感染的人类时，这些寄生虫又回到蚊子体内。