- while something else is happening当…时；随着
- He sat watching her as she got ready.他一直坐着看她准备停当。
- As she grew older she gained in confidence.随着年龄的增长她的信心增强了。
Language Bank processprocessDescribing a process描述过程- This diagram illustrates the process of paper-making./This diagram shows how paper is made.这个图说明了造纸的过程。
- First/First of all, logs are delivered to a paper mill, where the bark is removed and the wood is cut into small chips.首先，原木被运送到造纸厂，在那里去掉树皮，然后被切成木片。
- Next/Second, the wood chips are pulped, either using chemicals or in a pulping machine.接下来，用化学品或磨浆机把木片化成浆。
- Pulping breaks down the internal structure of the wood and enables/allows the natural oils to be removed.制浆过程使木材的内部结构分解，从而去除木材里的天然油。
- Once/After the wood has been pulped, the pulp is bleached in order to remove impurities. /…is bleached so that impurities can be removed.木材制成浆后，将其漂白以去除杂质。
- The next stage is to feed the pulp into the paper machine, where it is mixed with water and then poured onto a wire conveyor belt.下一步便是将纸浆送入制纸机，与水混合后再倒入金属传送带。
- As the pulp travels along the conveyor belt, the water drains away. This causes the solid material to sink to the bottom, forming a layer of paper.当纸浆沿传送带传送时，水分蒸发，使得固体物质沉到底部，形成一层纸。
- At this point the new paper is still wet, so it is passed between large heated rollers, which press out the remaining water and simultaneously dry the paper/…dry the paper at the same time.这时，新出的纸仍然是湿的，故让其经过几个巨大的热滚筒，挤压脱水并同时烘干。
- The final stage is to wind the paper onto large rolls./Finally, the paper is wound onto large rolls.最后一步是将纸卷在巨大的卷轴上。
- in the way in which照…方式
- They did as I had asked.他们是按照我的要求做的。
- Leave the papers as they are.别去动那些文件。
- She lost it, just as I said she would.我就说了吧，她把它弄丢了。
Which Word? as / likeas / likeYou can use both as and like to say that things are similar.- Like is a preposition and is used before nouns and pronouns:
- He has blue eyes like me.他和我一样有双蓝眼睛。
- As is a conjunction and an adverb and is used before a clause, another adverb or a clause beginning with a preposition:as 为连词和副词，置于从句、另一副词或以介词引导的从句前：
- She enjoys all kinds of music, as I do.她和我一样什么音乐都喜欢。
- Repeat these five steps, as in the last exercise.照前面的练习一样，重复这五个步骤。
- In informal English like is frequently used as a conjunction or an adverb instead of as:在非正式英语中，like 常常代替 as，用作连词或副词：
- Nobody understands him like I do.谁都不像我那么了解他。
- I don’t want to upset him again like before.我不愿意再像过去那样使他扫兴。
It is also used instead of as if:like 亦可用以代替 as if：- It looks like we’re going to be late.看来我们要迟到了。
These uses of like are common but are not considered correct in formal written English.
You will find more help on the use of as and like in the entries for particular verbs, such as act, behave, etc. - used to state the reason for something因为；由于
- As you were out, I left a message.你不在，所以我留了一张字条儿。
- She may need some help as she's new.她是新来的，可能需要一些帮助。
- used to make a comment or to add information about what you have just said正如；如同
- As you know, Julia is leaving soon.你是知道的，朱莉娅马上要离开了。
- She's very tall, as is her mother.她个子很高，和她母亲一样。
- used to say that although something is true, what follows is also true尽管；虽然；即使 synonym though
- Happy as they were, there was something missing.尽管他们很快乐，但总缺少点什么。
- Try as he might (= however hard he tried), he couldn't open the door.他想尽了办法也没能打开门。
Word OriginMiddle English: reduced form of Old English alswā ‘similarly’ (see also).
Idioms - in contrast with something与…相对照；和…相比较
- They got 27 per cent of the vote as against 32 per cent at the last election.他们获得了27%的选票，而上次选举时为32%。
- used to say that something may happen at some time in the future, but only when something else has happened（用于在特定条件下才会发生的事情）将来…时，到时候
- We'll decide on the team as and when we qualify.将来我们具备了条件时就会决定成立这个队。
- I'll tell you more as and when (= as soon as I can).我一有可能就会告诉你更多情况。
as for somebody/something
- used to start talking about somebody/something至于；关于 synonym regarding
- As for Jo, she's doing fine.至于乔，她现在日子过得不错。
- As for food for the party, that's all being taken care of.关于聚会要用的食物，都在置办当中。
- used to show the time or date from which something starts（指起始时间或日期）自…起
- Our phone number is changing as from May 12.我们的电话号码自 5 月 12 日起更改。
- Lee and I are now officially engaged, as of yesterday.从昨天开始，我和李正式订婚了。
- in a way that suggests something似乎；好像；仿佛
- He behaved as if nothing had happened.他表现得若无其事。
- It sounds as though you had a good time.听起来你好像过得挺愉快。
- It's my birthday. As if you didn't know!今天是我的生日。你好像不知道似的！
- ‘Don't say anything.’ ‘As if I would!’ (= surely you do not expect me to)“什么也别说。” “我才不会说呢！”
- considering the present situation; as things are照现状
- We were hoping to finish it by next week—as it is, it may be the week after.我们本希望在下周完成，看样子可能要下下周才行。
- I can't help—I've got too much to do as it is (= already).我帮不了忙，我已经有太多的工作了。
- used when a speaker is giving his or her own impression of a situation or expressing something in a particular way可以说；在一定程度上
- Teachers must put the brakes on, as it were, when they notice students looking puzzled.当老师发现学生神色茫然时，就应该在一定程度上放慢速度。
as to something | as regards something
- used when you are referring to something关于；至于
- As to tax, that will be deducted from your salary.至于税款，将从你薪水中扣除。
- I have a few ideas as to how we might do this.我有一些关于我们如何做这件事的想法。
- There is a serious issue as to whether or not we give tutors enough guidance.我们是否给导师足够的指导是一个严重的问题。
- until now or until a particular time in the past直到现在；直至过去某时
- an as yet unpublished report一篇尚未发表的报告
- As yet little was known of the causes of the disease.当时人们对这种疾病的起因几乎一无所知。
- (British English, informal) used as a comment on something that you have just said（对刚说过的话的评论）
- He smiled and I smiled back. As you do.他微笑，我也报以微笑。正所谓礼尚往来。
- (ironic) A little boy finds a gigantic robot in his backyard—as you do—and has to keep it secret.一个小男孩在他的后院发现了一个巨大的机器人——就像你一样——并且必须保密。
(you, etc.) may/might as well be hanged/hung for a sheep as (for) a lamb
- (saying) if you are going to be punished for doing something wrong, whether it is a big or small thing, you may as well do the big thing与其偷羊羔被绞死，不如偷只羊；一不做，二不休
