parasite
parasite 英 [ˈpærəsaɪt] 美 [ˈpærəˌsaɪt]
n. 寄生虫；食客
名词复数:parasites
- A creature that lives off another organism is a parasite. The parasite might not hurt the host, but it doesn't do anything to help it, either.
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- n. 寄生虫；食客
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1. The lazy man was a parasite on his family.
那懒汉是家里的寄生虫。
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2. A parasite is an organism that feeds on other organisms.
寄生虫是一种以其它生物为食的生物。
- parasite (n.) 1530s, "a hanger-on, a toady, person who lives on others," from Middle French parasite (16c.) or directly from Latin parasitus "toady, sponger," and directly from Greek parasitos "one who lives at another's expense, person who eats at the table of another," from noun use of an adjective meaning "feeding beside," from para- "beside" (see para- (1)) + sitos "food," of unknown origin. Scientific meaning "animal or plant that lives on others" is first recorded 1640s (implied in parasitical).
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