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roll up [英] [rəʊl ʌp] [美] [rol ʌp] [短语] 卷起;到达 词频排名 12770/55435 学习人数 558 难度等级 5/10 认知比例 47.34% 例句 Roll up and see the sights! 大家过来观看景色吧! Let's roll up our sleeves and get to work. 卷起袖子开始工作。 He has rolled up a huge fortune since he engaged in trade. 他自从经商以来已积累了很大一笔财产。 助记 联想 roll out 铺开,推出(新产品、服务) We roll out our sleeping bags in a little grassy swale among the boulders. On Thursday Microsoft rolls out its new operating system.
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