while的所有用法

while[(h)wail]n.一会儿, 时间conj.当...的时候, 虽然vt.消磨prep.直到while[waIl; (?@) hwaIl]n.一会儿a long while好长一会儿A short while ago, however, he became a busdriver and he has not regretted it.可...