帮忙
两卷胶卷是用two rolls of films还是two rolls of film???为什么??? 这里的film是胶卷的意思,不可数名词。一卷胶卷的叙述是one roll of film.
如果是两卷胶卷当然就在roll后加s了。就好像two pieces of news.
查《柯斯林英汉双解学习词典》,P644例句: The photographers had already shot a dozen rolls of film. 摄影师们已经拍了一打(12个)胶卷.所以应该是 two rolls of film. 高人 郁闷!不懂!:$
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