last对应词first； firstdet./ord.第一；最重要的；首要的；最优秀的； adv.首先；第一；最初；第一次 The first stage in research is data collection. 研...
main本身作形容词。 mainadj.主要的；最重要的；n.(通往建筑物的)主管道，总管 This is the main factor driving investment in the area. 这是推动在这个地...
无生命的东西的所有格一般用of表示.如the ber of the hote 旅馆的酒吧 用of所有格构成短语可以表示所有名词之间的所有关系。 The need to communicate is a ...
1、I have read books for an hour. 2、We were friends and colleagues for more than 20 years. 3、You could be disqualified from driving for up to ...
be的过去式和过去分词分别是was/were和been.意为有;存在;位于;在(某处);(在某时或某地)发生。 例句Much of the form was not applicable to me. 表格中很多...
play的过去式 played； playv.玩耍；游戏；玩乐；(为玩耍)假装； play的过去分词 played These units played a key functional role in the military operat...
handsome a.(男子)漂亮的；(女子)端庄；可观的 happy a.快乐的,幸福的, harvest n.收获,收割,收成 v.收割,收获 healthy a.健康的,健壮的,有益健康的 heartil...
