Which maintenance worker is better? 哪位维修工的技术更好？语言点：注释：maintenance[英]['meɪntənəns] [美][ˈmentənəns]
n.维持，保持；保养，保管；维护；维修

The engine of cars is rather noisy. 这辆汽车的发动机噪音很大。语言点：注释： engine n.发动机；引擎；机车；火车头

Sorry for having no such components. 对不起我们这没有这种零件。语言点：注释：components[英][kəm'pəʊnənt] n.零组件；成分

These components are durable. 这种零件很耐用。语言点：注释：durable[英][ˈdjʊərəbl] adj.耐用的，耐久的；持久的；长期的 n.耐用品，耐久品

Can you pass me those screws? 能把那些螺丝递给我吗？语言点：注释：screw[英][skru:]用作名词时意思是“螺丝”,转化成动词意思是“(用螺丝)将…拧紧”。引申可表示“转动

We're selling books on sale. 我们现在减价销售图书。语言点：注释：on sale[英][ɔn seil] 有售， 上市；廉价出售

How long will it take to repair the car? 多长时间可以修好这辆车？语言点：注释：repair[英][rɪ'peə(r)] vt.修理；纠正；恢复；弥补
n.修理；修理工作；维修状态；经修理的东西

What courses do you offer for next term? 你们下学期开什么课？语言点：注释：offer的基本意思是“主动拿出”,可指主动提供某事物供考虑、接受或拒绝,或为某物出价,可指主

Collect your car tomorrow afternoon. 你明天下午来取车吧。语言点：注释：collect[英][kə'lekt] vt.收集；收藏；接走；聚积 vi.募捐；募集 adj.由受话人付费的

Do you think there is something wrong with the exhaust system? 你认为是排气系统出了问题吗？语言点：注释： something is wrong with adj.有毛病(不舒服)

I'll take this one. 我买这一本。语言点：注释：take可指“买”。注意，表示“买”时，并不可以都是take。习惯上不可说I went into the shop to take a pen，要用buy

Which do you prefer, the paperback or the hardcover? 你喜欢哪一种，是平装本还是精装本？语言点：注释：paperback[英][ˈpeɪpəbæk] n.平装本，平装书

Books of this kind are out of stock now. 这类书已被卖光了。语言点：注释：be out of stock[英][bi: aut ɔv stɔk] 手头没货；缺货

I wonder if you've got any books on computer science. 不知道你们是否有计算机科学方面的书。语言点：注释：I wonder if......我想知道是否......

Have you got any idea who the author is? 你知道作者是谁吗？语言点：注释：get any idea 有什么想法;知道

I'd like to buy an English grammar book. 我想买一本英语语法书。语言点：注释：I'd like to do sth.我想要做某事

Do you happen to know who the author is? 你可知道作者是谁？语言点：注释：happen to know 碰巧知道

Would you like to have this one? 你想买这个吗？语言点：注释：Would you like to do ....你想要 ... 吗？

Any book on it will do. 任何有关这方面的书都行。语言点：注释：will do[英][wil du:] （非正式）[表示愿意遵照他人的请求、建议去做]行，好的；行得通

Those books are sold out now. 这种书现在脱销了。语言点：注释：be sold out [英][bi: səʊld aut] 售完

Where can I find the latest edition of this dictionary? 我在哪能找到这本词典的最新版本？语言点：注释：the latest[英][ðə ˈleitist] 最新的新闻，最新的发展[发现]，最

The book you want's on loan. 你要的书有人借了。语言点：注释：on loan[英][ɔn ləun] 出借的； 暂借的

You'll have to pay fines if you can't return the book in time. 如果你不能按时还书，你得付罚款。语言点：注释：pay fines 付罚款

I'm afraid it's been out for some time. 恐怕这书已借出一段时间了。语言点：注释：some time[英][sʌm taim] 一段时间；未来的某时；一些时间

I'll get it back as soon as possible. 我将尽快将这本书收回。语言点：注释：as soon as possible 尽快