Aa (great/large) number of 许多(接可数名词复数,谓语动词用复数)A as well as B A跟B一样A besides B 除了B以外,Aa bit of 一点(接不可数名词)a bit 一点(接形容词)a bunch of 一束、一捆 a certain 某一个(接可数名词单数)a copy of 一份(报纸等)a couple of 几个、一些、三两个(接可数名词复数)a crowd of 一群、许多a developed country (一个)发达国家 a developing country (一个)发展中国家 a diet of healthy foods 一份营养食谱 a fallen tree 一棵倒了的树 a few moment later 一会儿、不久以后 a few pieces of advice 几点建议 a good/great deal of 大量(接不可数名词)a good/great many 大量(接可