词族 · rodent
词形变化
中文词源
rodent 啮齿动物
来自拉丁语 Rodentia,啮齿动物目，来自拉丁语 rodere,咬，啃，来自 PIE*red,咬，抓，刮，词 源同 rat,raze,eraser.
英语词源
- rodent
-
rodent: see rostrum
- rodent (n.)
- 1835 (as an adjective 1833), from Modern Latin Rodentia, the order name, from Latin rodentem (nominative rodens), present participle of rodere "to gnaw, eat away," from PIE root *red- "to scrape, scratch, gnaw" (cognates: Sanskrit radati "scrapes, gnaws," radanah "tooth;" Latin radere "to scrape;" Welsh rhathu "scrape, polish"). Uncertain connection to Old English rætt (see rat (n.)).
权威例句
- 1. Researchers observed one bird impale a rodent on a cactus.
- 研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。
- 2. When there is a full moon, this nocturnal rodent is careful to stay in its burrow.
- 月圆之夜，这种夜间活动的啮齿类动物会小心地呆在地洞里不出来。
- 3. 'The rat,'said O'Brien, still addressing his invisible audience,'although a rodent, is carnivorous.
- “ 老鼠, ”奥勃良仍向看不见的听众说, “ 是啮齿动物, 但是也食肉.
- 4. This small rodent can scoop a long, narrow tunnel in a very short time.
- 这只海狸能在短时间内挖出一条长且窄的洞.
- 5. Did the rodent droppings have any specific shape or form?
- 老鼠的排泄物有什么特别的形状 吗 ?