原帖由 <I>xiaolu</I> 于 2008-4-15 13:43 发表 <A href="https://www.njzxxyy.com/bbs/redirect.php?goto=findpost&pid=270200&ptid=29215" target=_blank><IMG alt="" src="https://www.njzxxyy.com/bbs/images/common/back.gif" border=0></A> 都可以的呀。two times = twice one time = once 5bunit6就有“two times ”呀!不过以前我们学的好象是吧once twice? |