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).
双语例句
1. One of the ways the parasite spreads is through fecal matter.
寄生虫传播的一种方式是通过排泄物。
来自柯林斯例句
2. The lazy man was a parasite on his family.
那懒汉是家里的寄生虫.
来自《现代汉英综合大词典》
3. The mistletoe plant is a parasite on trees.
槲寄生是寄生于树上的植物.
来自《简明英汉词典》
4. I don't want to be a parasite. I must earn my own way in life.
我不想做寄生虫, 我要自己养活自己.
来自《简明英汉词典》
5. There are two kinds of drags, parasite drag and induced drag.