rod,ros = to gnaw(咬;啮)
1.rodent
n.啮齿类 adj.啮齿类动物的;咬的;啮的
2.rodenticide
n.灭鼠药《cide = to cut》
3.corrode
v.腐蚀;侵蚀(彻底地咬)《cor- = com- = thoroughly》
4.corrosion
n.腐蚀;侵蚀;(心神的)损伤
5.corrosive
adj.腐蚀的;侵蚀的 n.腐蚀性物质
6.erode
v.腐蚀;侵蚀(咬去;咬掉)《e- = ex- = out》
7.erosion
n.腐蚀;侵蚀;冲蚀
8.erosive
adj.腐蚀的;侵蚀的