• adj. 啮齿类的；咬的，嚼的；侵蚀性的
• n. [脊椎] 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.

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.)).

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。

来自柯林斯例句

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。

来自辞典例句

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.

来自英汉文学

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.

来自辞典例句

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 ?

来自电影对白