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英语词汇大全-七下英语单词表-初中英语单词词汇

1 )a (large) number of / (large) numbers of + 可数名词复数 A number of birds have flown to the south. 许多的鸟已经飞去南方。 Large numbers of visitors are from all over the world. 很多旅游者都是来自世界各地。...