连词由于; 像，像…一样; 同时，当…时; 尽管
1. Sam is as rich as Alexander.
1. She didn't think much of him as a painter.
1. Tired as he was, he sat up late.
2. You ought to do as Paul tells you.
1. He has earned as much money as I have.
A：There’s a football game on (too/ also/ as well).
B：Go watch it at John’s.
A：Please stop me if you have any question.
A：Duck your head as you go through the door there.
B：What kind of work-related experience do you have?
A：Well, I worked for (two years/ six months/ ten years) as manager at my previous company.
1. 汇编器：Binutils 是一组很重要的开发工具,包括链接器(ld)、汇编器(as)、反汇编器(objdump)和其他用于目标文件和档案的工具(ar),也是gcc的依赖项.
3. 砷：表1 玩具材料中转移元素的最高可溶含量 单位:ppm(mg/kg) 元素铅(Pb) 砷(As) 锑(Sb) 钡(Ba) 镉(Cb) 铬(Cr) 汞(Hg) 硒(Se 含量 90 25 60 1000 75 60 60 500 1.3.6 玩具化妆品,液体,糊剂 ,凝胶和粉末---本要求的目的是减少玩具的化妆品和液体,
4. as：activity sludge; 活性污泥
5. as：arkylosing spondylitis; 强直性脊柱炎
6. as：applied sever; 应用服务器
7. as：athero sclerosis; 动脉硬化
连词和介词用法（CONJUNCTION AND PREPOSITION USES）
If something happens as something else happens, it happens at the same time.
e.g. Another policeman has been injured as fighting continued this morning...
e.g. All the jury's eyes were on him as he continued...
You use the structure as...as when you are comparing things.
e.g. I never went through a final exam that was as difficult as that one...
e.g. There was no obvious reason why this could not be as good a film as the original.
You use as...as to emphasize amounts of something.
e.g. You can look forward to a significant cash return by saving from as little as ￡10 a month...
e.g. She gets as many as eight thousand letters a month.
You use as when you are indicating what someone or something is or is thought to be, or what function they have.
e.g. He has worked as a diplomat in the US, Sudan and Saudi Arabia...
e.g. The news apparently came as a complete surprise...
If you do something as a child or as a teenager, for example, you do it when you are a child or a teenager.
e.g. She loved singing as a child and started vocal training at 12.
You use as to say how something happens or is done, or to indicate that something happens or is done in the same way as something else.
e.g. I'll behave toward them as I would like to be treated...
e.g. Today, as usual, he was wearing a three-piece suit...
You use as in expressions like as a result and as a consequence to indicate how two situations or events are related to each other.
e.g. As a result of the growing fears about home security, more people are arranging for someone to stay in their home when they're away...
e.g. In this changing business environment, different demands are being placed on employees. As a consequence, the education system needs to change.
You use as to introduce short clauses which comment on the truth of what you are saying.
e.g. As you can see, we're still working...
e.g. We were sitting, as I remember, in a riverside restaurant.
You can use as to mean 'because' when you are explaining the reason for something.
e.g. They are regularly sent booklets about personal safety, but they barely read them as they have so much paperwork to deal with...
e.g. Enjoy the first hour of the day. This is important as it sets the mood for the rest of the day.