| 词汇 | rodent |
| 词根词缀 | 词源： 1835, from Mod.L. rodentia, the order name, from L. rodentem (nom. rodens), prp. of rodere "to gnaw, eat away," from PIE base *red- "to scrape, scratch, gnaw" (cf. Skt. radati "scrapes, gnaws," radanah "tooth;" L. radere "to scrape;" Welsh rhathu "scrape, polish"). Uncertain connection to O.E. rætt (see rat). 词根记忆： n. 齧齿动物(rod+ent,咬东西的动物)[rod,ros=bite,表示"咬"] 词根词缀： rodent rodent n “啮齿动物(rao+ent,咬东西的动物) ” rod, ros= bite, 表示”咬” rodent n “啮齿动物(rao+ent,咬东西的动物) ”rodenticide n 灭鼠药(rodent+icide杀=杀啮齿动物) corrode v 腐蚀,侵蚀(cor全部+rode咬=全部咬掉=腐蚀) corrosive a 腐蚀性的(cor+ros+ive) corrosion n 腐蚀(cor+ros+ion) erode v 侵蚀(e出+rode=咬出去=[水上]侵蚀掉) erosion n 侵蚀,腐蚀(e+ros+ion) |
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