arrive[E5raIv] vi.1.到达；抵达：We arrived home at about midnight. 我们大约午夜到家。2.发生；来临；出生：Good weather has arrived at last. 好天气终于来到了。/ The baby arrived yesterday morning. 孩子是昨天上午出生的。

【辨析】arrive, get 与 reach：均可表示“到达”，其区别如下：1. arrive 和 get 都是不及物动词，前者较正式，后者则较口语化。两者之后均不可接宾语，但可接 here, there, home 之类的表地点的副词作状语：What time does the train arrive? 火车什么时候到? 要表示“到达某地”，均需借助适当介词：arrive 之后通常接介词 at(一般用于较小的地方)或 in(一般用于较大的地方，如国家、大都市等。get 之后通常接介词 to。2. reach 通常是及物动词(较 get 更正式)，其后可直接跟地点名词作宾语(不能用介词)：She reached Shanghai yesterday. 她昨天到达上海。

arrow[5ArEJ] n.1. [C]箭：Time flies like an arrow. 光阴似箭。2. [C]箭头：direction arrows 方向箭头

art[B:t] n. 1. [U]美术；艺术；艺术品：an art class 美术班 / choose art as a career 选择艺术为职业 / The museum has a fine collection of modern art. 这个博物馆藏有一批优秀的现代艺术品。2. [C,U]技巧；技术：He knows the art of making money. 他懂得生财之道。 

article[5B:tIkl] n. 1. [C]文章：a leading article社论 / There’s an article about cycling holidays in today’s paper. 今天的报纸上有一篇关于骑自行车度假的文章。2. [C]东西，物品：articles of daily use日用品3.(语法)冠词

artist[5B:tIst] n. [C]艺术家；画家：I like that picture; who is the artist? 我喜欢那幅画，是谁画的？

as[Ez, Az] adv.像…，如同：The child sang as sweetly as a nightingale. 这孩子歌唱得同夜莺般婉转。conj.1.像…一样；如同：They fulfilled their work ahead of time as we did ours. 同我们一样，他们也提前完成了任务。2. 因为：As you weren’t there I left a message. 因为你不在那里，我留了个信。3. 当…时候：The phone rang just as I was leaving the house. 我刚要出门，电话就响起来了。prep.作为，当作：work as an editor 作为一名编辑 / Treat me as a friend. 把我当作朋友。◆as…as… 像…一样… / as…as possible [as…as one can] 尽可能地… / as far as 远至…，就…的限度 / as far 至于…，就…而言 / as if [as though] 似乎，好像 / as it is 事实上，实际上 / as long as 达…之久，只要 / as many [much] as 与…一样多，多达 / as soon as 一…就… / as to 关于 / as well 又，另外也 / as well as 与…一样好；又，而且

【辨析】1.as well, also, either 与 too：参见 also。2.as, because, for 与 since：都可用来表示原因，但有区别：(1) because 语气最强，表示直接原因，可用于回答 why 提出的问题、引导表语从句、用于强调句等，而其余三者均不行：It is because he is honest that she likes him. 是因为他诚实她才喜欢他。(2) since 与 as 两者所表示的原因都是人们已知的，即对已知事实提供理由，而不是表示直接原因。但 since 比 as 语气稍强，且比 as 略为正式，它们引导的从句通常放在主句之前，有时也放在主句之后：As you weren’t there, I left a message. 由于你不在那儿，我留了个口信。/ Since you’re not interested, I won't tell you about it. 既然你不感兴趣，那我就不告诉你了。另外，since 可用于省略句，而其他三者不行：Since so, I have nothing to say. 既然如此，我无话可说。(3) for 是并列连词(其余三者为从属连词)，它可表示因果关系(通常要放在主句之后，且可与 because 换用)：The ground is wet，for (＝because) it rained last night. 地面是湿的，因为昨晚下过雨。(from www.nmet168.com)

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