类似 20-year-old 这样的词既可以用作形容词也可以用作名词。如:(1) Mary drove. Her ten-year-old daughter sat behind. 玛丽开车,她10岁的女儿坐在后面。(ten-year-old 用作形容词,作定语)(2) She’s quite clever for a ten-year-old. 对一个10岁的孩子...
It is not enough to be industrious, so are the ants. What are you industrious for?老师,牛津词典so有名词,副词,连词词性,有些词典就多了形容词,与代词;so在这里是形容词的作用,作表语,还是代词的词性;还是替代前面整个句子?