柯林斯詞典fold up (folding,folded,folds) 1. PHRASAL VERB If you fold something up, you make it into a smaller, neater shape by folding it, usually several times. 將…折起來 She folded it up, and tucked it into her purse. 她將它折起來，塞進(jìn)錢包里。2. →see also fold 返回 fold up