06英语常用3500词汇语法词典上OK.doc

英语常用3500词汇语法词典(上) A a [????] / an[?????] art.（用在以元音开始的词前为 an）1.一(个、件、本、块、首等)：Her wish was to be a writer. 她的志愿是当作家。It’s not an easy task. 这不是一件容易的任务。The question before us is a difficult one. 我们面前的问题是一个困难的问题。We went there once a year. 我们一年到那里去一次。The doctor told him to bathe his eyes twice a day. 医生让他每天洗两次眼睛。I, m, n, o, SOS, MBA 等)前若用不定冠词，要用 an，不用 a。2. 用于表示泛指，既可指同一类属中的具有代表性的任何一个，也可指同一类属中的某一个：A lion can be very dangerous. 狮子是很危险的。3.在序数词之前使用a(an)，可以表示数量或序数的增加。如：Do you want to read it a third time? 你还想看第三次吗？4.不定冠词可用来表示“类属”，即表示某一类属中的每一个都能反映该类属的整体情况，此时也可用定冠词或名词复数形式来表示。如：A tiger [The tiger, Tigers] can be dangerous. 老虎是危险的。注意：不定冠词的这一用法是指某一类中任何一个具有代表性的个体，它不能用来表示整体类别的特性，如下例中的the不能换成a：The tiger is in danger of becoming extinct. 老虎有绝种的危险。 abandon[????????] vt.1. 丢弃，抛弃：He abandoned his wife and went away with all their money. 他抛弃了妻子还带走了两人所有的钱。2.放弃：They abandoned the game because of storm. 因为暴风雨比赛停止了。 ability[????????] n. 1.[U]能力；本领；才能：a man of great musical ability 有卓越音乐才华的人 / I doubt his ability to do the job. 我认为他没有做这工作的能力。2. [C,U]天才：ability in music音乐天才◆to the best of your ability 竭尽所能：Just try to do the job to the best of your ability. 试着尽你所能将工作做好。 【语法】表示有能力做某事或具有做某事的能力等，其后通常要接不定式：She has the ability to speak French fluently. 她能流利地说法语。但在现代英语中，也可后接 of doing sth(不如接不定式普遍，建议初学者谨用)：I admire his ability of doing the work quickly. 我羡慕他工作做得快。 able[?????] adj. 1.能…的：Will you be able to come to our party? 你能来参加我们的聚会吗？ 2.有能力的；能干的：an able politician 有才干的政治家 be able to do sth 能够做某事She won’t be able to come tomorrow. 她明天不能来。I’d like to be able to read English books. 我希望能看英文书。I’d like to be able to help in some way. 我愿意能以某种方式帮忙。【语法】1. 表示“有能力的”、“能干的”，可用作表语或定语：He is an able manager. 他是位有能力的经理。2. 用于 be able to do sth(能I will not be able to come tomorrow. 我明天来不了。注意：be able to 不仅有多种时态形式(通常不用于进行时或与 be going to 连用)，而且还可以与某些情态动词连用(通常不与 can 连用)，甚至还可以有非谓语形式：Since his accident he hasn’t been able to leave the house. 自出事之后，他一直未能离开家。/ I regret not being able to help her. 我很遗憾未能帮助她。 abnormal[????????