Parasite
01
寄生虫, 寄生生物
(biology) a small organism that lives on or inside another organism, called a host, and is dependent on it for nutrition and growth
例子
The mosquito is a well-known parasite that feeds on the blood of its host, often transmitting diseases in the process.
蚊子是一种众所周知的寄生虫，以宿主的血液为食，常在此过程中传播疾病。
Tapeworms are parasites that can inhabit the intestines of animals, absorbing nutrients from their hosts.
寄生虫如绦虫可以栖息在动物的肠道中，从宿主那里吸收营养。
02
a person who lives off or exploits others, gaining advantage without offering anything in return
例子
He called his lazy roommate a parasite.
The hangers-on at the royal court were seen as parasites.
词汇树
parasitic
parasitism
semiparasite
parasite
