1 PHRASAL VERB 卷起(袖子或裤腿) If you roll up your sleeves or trouser legs, you fold the ends back several times, making them shorter. 卷起(袖子或裤腿)
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The jacket was too big for him so he rolled up the cuffs. [VERB PREP. noun]
这件夹克他穿着太大了，就把袖口卷了起来。
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Walking in the surf, she had to roll her pants up to her knees. [VERB noun PREP.]
她走在海浪里，不得不把裤腿卷到膝盖处。
3 PHRASAL VERB 到达;（尤指）涌向，涌到 If people roll up somewhere, they arrive there, especially in large numbers, to see something interesting. 到达;（尤指）涌向，涌到 [informal]
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Roll up, roll up, come and join The Greatest Show on Earth. [VERB PREP.]
快来呀，快来呀，来一起看“地球上最精彩的演出”。
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The first reporters rolled up to the laboratory within minutes. [VERB PREP. prep./adv.]
第一批记者在几分钟之内就涌到了实验室。
4 See also: roll 6 rolled-up