核心词汇 词汇一 prove vt.证明,证实【教材原句】 ...to prove that making friends was easier in the past.……以证明在过去交友要更容易。 【要点必记】 prove that..证明…… It's proved that...已经证实…… prove sb./sth.(tobe）+n./adj. 证明某人/某物……prove (to be）+n. ladj.证明……