用法a balanced diet是名词短语,常常与eat,keep,have搭配,可构成短语:eat a balanced diet(饮食平衡),have a balanced diet(拥有平衡饮食),keep a balanced diet(保持膳食平衡)。例如:① Everyone needs a balanced diet.人人都需要膳食平衡。② Its easy for us to have a...[继续阅读]

    近义短语a bit of　a little用法(1)a bit是副词短语,表示“有点儿;稍微”之意,放在形容词或副词的前面,在句中作状语,表示程度,可以和a little互换。例如:① Im a bit hungry. = Im a little hungry.我有点儿饿了。② They are a bit late for class.他们上课...[继续阅读]

    近义短语most important of all用法above all在句中用作状语,放在句首、句中或句末。用于句首或句中则表示“最重要;尤其;首先”之意,比起其他因素来更为重要,相当于most important of all;用于句末则表示“终究;毕竟;终归;到底”之意。例如...[继续阅读]

    用法according to是介词短语,表示信息来自别人或别的地方,而不是来自我们自己已知的情况。例如:① According to the result of the survey,many students like playing computer games.根据调查结果,许多学生喜欢玩电脑游戏。② The books in the library were di...[继续阅读]

    用法a city with a colorful history由名词city+介词with构成。掌握该短语的用法首先要掌握with的用法。with的具体用法如下。(1)with表示“带有;具有”之意,通常放在名词或名词短语后面,作后置定语。由with构成的短语还有:a book with a green cov...[继续阅读]

    用法(1)a couple of表示“一些;几个”之意时,后面接可数名词的复数形式。例如:① I waited a couple of hours.我等了几个小时。② I have a couple of things to do.我有几件事情要办。(2)a couple of表示“两个;一对”之意时,主要指在一起或互相有关系...[继续阅读]

    用法across from是介词短语,表示方位。例如:① The pay phone is across from the library.公用电话在图书馆对面。② The park is across from the bank.公园在银行的对面。辨析across from　across　cross　through(1)across from作介词短语用,表示“在……的对面”...[继续阅读]

    用法add to是动词add+介词to结构,指增加后更进一步的状态,表示“促进”之意。例如:① That of course added to our difficulties.那自然增加了我们的困难。② That film added to his reputation as an excellent actor.那部电影提升了他作为一名好演员的声望...[继续阅读]

    用法(1)a few含肯定意义,相当于some/several/a small number of。在非正式文体中,一般用only a few代替。例如:① They have a few/some/several/a small number of apples in their basket.在他们的篮子里有几个苹果。② Only a few people attended the meeting.只有几个人参...[继续阅读]

    近义短语have enough money/time to do sth.用法afford to do sth.是动词afford+不定式to do sth.结构,常常接在can,could,be able to之后。其主语一般是人,表示“有能力做某事;担负得起(……的费用、损失、后果);抽得出(时间);买得起某物”之意。如果指...[继续阅读]