adj.根深蒂固的；成癮的
He is a politician known as an inveterate kisser of babies. 他是一個(gè)吻嬰兒成癖的政客。
It is hard for an inveterate smoker to give up tobacco. 老煙鬼很難戒煙。
adv.根深蒂固地；積習(xí)地
