while 当介词用时怎么入句?

问题描述:

while 当介词用时怎么入句?

While可以作为名词(一会儿,一段时间,如after a while),及物动词(消磨,闲混,如while away all his time),连接词(当..的时候,可是,反过来,虽则 He was drowned while swimming.他游泳时淹死了.I don't like that car, while I like this bike.),前置词(直至某时,如While then,God will be with you到那时,上帝会保佑你),还可以作为介词吗?