rod,ros = to gnaw(咬;齧)
1.rodent
n.齧齒類 adj.齧齒類動物的;咬的;齧的
2.rodenticide
n.滅鼠葯《cide = to cut》
3.corrode
v.腐蝕;侵蝕(徹底地咬)《cor- = com- = thoroughly》
4.corrosion
n.腐蝕;侵蝕;(心神的)損傷
5.corrosive
adj.腐蝕的;侵蝕的 n.腐蝕性物質
6.erode
v.腐蝕;侵蝕(咬去;咬掉)《e- = ex- = out》
7.erosion
n.腐蝕;侵蝕;沖蝕
8.erosive
adj.腐蝕的;侵蝕的