请问“knife”的复数形式是什么?
漂*** 2006-10-22 17:17:58 举报
popcorn的确是个不可数名词,我查过很多网站,得出这个正确答案的.
1+1=2都正确(one and one are equal to t...
put one's heart into sth.(致力于某事)的he...