opposite一共四种词性:
1.adj.相反的;对面的;对立的
2.n.对立面;反义词
3.prep.在…的对面
4.adv.在对面
你这里就be opposite来看,说不好哦.可能是形容词也可能是介词,得拿整个句子来看才好说.
比如,If one thing is opposite another,it is on the other side of a space from it.这里的opposite就是介词.
又如,Idealism is opposite to materialism.这里是形容词.