小吃客C
然而 [rán ér]conj. but ; howeveradv. nevertheless例句：He is aged, but his memory is still good.他已年老，然而记忆力还好。The news may be unexpected; nevertheless, it is true.这消息可能是出乎意料的，然而是真实的。There are a lot of difficulties in front of us, yet we still have faith in victory.; We are in the face of difficulties, yet we still have faith in victory.虽然面临许多困难，然而我们对胜利仍充满信心。希望能帮助到你，望采纳！！！
勿忘我1239
But、While、However都有而的意思。But ：例：She looks very young, but she is already in her 30's. 她看上去很年轻,然而她已三十多岁了While：例：While the south of the country grows richer, the north grows poorer.南部越来越富，而北部却越来越穷。However：例：This experiment, however, has its fair share of controversy and detractors.然而，这个实验，却引起好多争论与不满but表转折,表示前后两个事实相反. while更偏向于作对比.
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