第五 1 come about 发生、产生 How did these differences come about? 这些不同是怎样产生的? 2 come across (偶然)遇到 When the man was walking through a wood , he came across a bear. 当男人正走出树林时,他偶遇了一头熊。 3 come out 出发、出版、发行 How did the magazine come out? 杂志是怎样出版的? 4 come true 变为现实,实现 He's always dreamt of coming to China , and now his dream has come true. 他总梦想着来中国,现在他的梦想已经实现。 5 come off 从...离开,脱落 My raincoat got caught in the door and the bottom button came off. 我的雨衣卡在,然后底部的扣子脱落了。