provedv.证明(证明是；检验；勘探；证明；试印)provev.证明；检验；结果是；发酵prove of great value证明很有价值proventricular valve前胃瓣prove up to the hiltadj.充分证实prove a great boon to成为对prove a man's honesty程序联锁prove to his advantage证明对他有利prove one-self to be证明是Proven to be the cause证明是原因prove a great boon for成为对prove rather effective颇著成效