call up 回想起,打电话 call upon 号召 come come about 发生,产生 come across (偶然)遇见(或发现) come back 回来,想起来 come down 落,下来 come from 出生(于),来自 come in 进入,进来 come off 从……离开,脱落 come on 来吧,赶快 come out 出来,(书等)出版,发行...