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明亮宜家
用在前面的语句可以是It's the first time that…. 用在后面的语句可以是…which never see/happen before.
爱画画的兔子
unprecedented growth
熙熙ToKi
前所未有 [词典] unprecedented; hitherto unknown; such as never previously existed; [例句]农村出现了前所未有的繁荣。A prosperity never seen before appeared in the countryside.
山中彩虹
hitherto unknow
陌o惜妍
never before in history
秋意凉漠
看来只有查词典了
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