as的五种意思

as：conj 1因为；2随着；虽然；依照；3，当…时

prep4 如同；当作；以…的身份

adv 5同样地；和…一样的 扩展资料

一、as作连词的用法：

1、asas的用法

asas意为"和……一样",表示同级的比较使用时要注意第一个as为副词,第二个as为连词其基本结构为：as+ adj/ adv +as

2、 as用作连词引导时间状语从句含义是"当……的`时候"

3、as用作连词引导原因状语从句含义是"因为,由于"

4、as作连词引导让步状语从句含义是"虽然, 尽管"

二、as作关系代词的用法

1、 as引导定语从句与其他词连用

①用于the sameas结构中

②用于suchas结构

③用于"so +adj + a/an + n (单数) + as "结构中

2、as单独引导定语从句

as单独引导定语从句时,先行词可以是一个词,也可以是一个句子或短语

三、as作介词的用法

as作介词,意思是"作为","以……身份"

四、as作副词的用意思是。"相同地","同样地"

一、 as作连词的用法:

1 作"当……的时候",引导时间状语从句。注意与when、 while的用法区别。

① when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如:

When he was at college, he could speak several foreign languages

When the clock struck twelve, all the lights in the street went out

② while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:

Work while you work Play while you play

③ 但属下列情形时,只用as, 而不用when或while。

A) 用于表示同一个人的两种动作交替进行,指"一边……,一边……"。如:

The girl dances as she sings on the stage

He looked behind from time to time as he went forward

B)表示两个同步发展的动作或行为,译为"随着……"。如:

As time went on / by, she became more and more worried

As children get older, they become more and more interested in the things around them

C)表示两个短促行为或事件几乎同时发生。如:

I thought of it just as you opened your mouth

Just as the flying worm hit her face, she gave a loud cry

D) 后接名词表示某一年龄段时,用as。如:

As a young man, he was active in sports

2 as=since, 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如:

As / Since you're not feeling well, you may stay at home

As he wasn't ready in time, we went without him

3 as=in the way that, 作"像"、"按照……的方式"解,引导方式状语从句。如:

He speaks English as Americans do

Remember, you must do everything as I do

4 用于asas或not so/ asas中,前一个as是副词,后一个as是连词,引导比较状语从句。如:

They helped the old man as often as possible

I don't speak English so/ as well as he does

5 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj /adv / n+ as +主语+谓语+主句。如:

Tired as they were, they walked on

Child as he is, he knows a lot (child前不用冠词)

二、 as作关系代词,引导定语从句,作"正如"、"这一点"解。如:

He is very careful, as his work shows

As is well-known, Taiwan belongs to China

另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:

Such a clever boy as he can learn anything quickly

I was reading the same book as he bought yesterday

三、 as作介词的用法:

as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:

As a League member, I'll take the lead in everything (状语)

She works as a doctor (状语)

They have me as one of their own children(引起宾语补足语)

as可用作连词，引导比较、时间、原因及方式等四种状语从句，应注意的是，引导的比较状语从句往往有省略；引导的时间状语从句一般用一般现在时而不用一般将来时；引导原因状语从句时与“Because”和“since”引导的从句比较起起来语气最弱。

as作介词，意思时“作为”，“以……身份”。例如：He came to China as a tourist five years ago

而表示像…一样时，like通常作介词用，而介词后面通常接名词，代名词和动名词。

as in Australia“和在澳大利亚一样”。

as……as

AS +adj(原级)+AS

AS +adv(原级)+AS

as soon as 一……就

as soon as possible 尽可能快地

as early as possible 尽可能早的

as carefully as you can 尽可能认真地

as careful as you can 尽可能认真的

1。as是连词，表示“随着”的意义。lives是life的复数，意义是“生活”。<BR>

2。as是连词，表示“因为，由于”的意义。wanting是现在分词，表示主动意义，wanting to buy cars=who want to buy cars。

As的用法小结

as可以作连词、介词及关系代词和副词。现将其用法小结如下:

（一）、 as作连词的用法:

1作“在-------期间，当----的时候”引导时间状语从句注意与when、 while的用法区别。

①下列情形时,只用as, 而不用when或while。

1)用于表示同一个人的两种动作交替进行,指一边----一边 如:

The girl sings as she goes to school

He looked behind occasionally as he went forward in the forest

2)表示两个同步发生的动作或行意思是随着-----的发展如:

As time went on / by, she became more and more beautiful

As children get older, they become more and more interested in everything

3)表示两个短暂行为或事情几乎同时发生如:I watched her as she read the book

I thought of it just as you opened your mouth

Just as the flying worm hit her face, she gave a loud cry

4)接在名词后面表示某一个年龄段时如:

As a young man, he was active in sports

②when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如:When I was at college, I could speak several foreign languages When the clock struck twelve, I had slept for 2hours

③ while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:Work while you work Play while you play

2 As =Since 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如: As he’s been ill for ages, I will help him

As / Since you're not feeling well, you may stay at home

As he wasn't ready , we went without him

3 As =in the way that作"像"、"按照……的方式"解,引导方式状语从句。如:

Do as I told you

Remember, you must do everything as I do

4 用于as--- as或not / so/ as ---- as中,前一个as是副词,后一个as是连词,引导比较状语从句。如:They helped the old as much as possible

I don't speak English so/ as well as she does

5 表示虽然,尽管 等,引导让步状语从句,常用倒装语序,模式为:

adj /adv / n+as +主语+谓语+主句。如: Young as he is, he knows much

Tired as they were, they walked on

6 表示也------一样。 She is a doctor, as was her husband

（二）、 as作关系代词,引导定语从句,表示正如,这一点如:

He is very careful, as we all know

As is well-known, Taiwan belongs to China

另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:

Such a clever girl as she can learn anything quickly

I was reading the same book as he bought yesterday

（三）、as作介词的用法

1表示好像。如:He dressed as a policeman

2 表示作为当作。如：I found a job as a guide

3 当某人是某身份时。如：As a child , she was sent to abroad

4 as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:

As a Party member, I'll take the lead in everything (状语)

She works as a model (状语)

She has me as one of her best friends(引起宾语补足语)

（四）、作副词的用法 1 表示与------等同。如：This dress is twice as expensive as that one 2 像，如等。如：As before, he remained unmoved

总之，通过以上的分析，我们对as的词性和用法有了比较全面的理解和把握，才能在实际的运用中做到心中有数，应付裕如。

1、AS是一个英语单词，连词、副词、介词，作连词时意思是“因为，由于；在时，随着；以……的方式，像；正如；虽然，尽管”，作副词时意思是“如同，像……一样”，作介词时意思是“作为；以……身份；当作；像，如同；当……时”。

2、例句：As you, or any thing像你们，或者任何事物。

as的意思如下：

adv（程度或数量上）同样，一样；例如，诸如

conj像……一样；（说明某事应完成的时间或发生的频率）；照……方式，和……一样；正如，如同；当……时候，在……时候；虽然，尽管；因为，由于；（关系）就像，相当于；以至于（与so或such连用表结果）

例句：

Her skin was as smooth as silk

她的皮肤像丝绸一样光滑。

as英 [əz] 美 [æz,əz]

adv同样地，一样地; 例如;

prep作为，以…的身份; 如同;

conj由于; 像，像…一样; 同时，当…时; 尽管;

[例句]I shall nail my colours firmly to the mast on this subject& as a

feminist I find movies like this offensive

我要非常明确地表明自己对这个主题的看法：作为一名女权主义者我认为这类**是对女性的侮辱。

as——正截面上所有纵向受拉钢筋的合力点至截面受拉边缘的竖向距离。

as=保护层厚度+箍筋直径+纵筋直径的一半。

如果近似地算，可以认为第二排钢筋的中心到截面边缘的距离就是as；如果要精确计算，用每根钢筋面积与其中心到截面边缘距离乘积的和除以钢筋总面积。工程上一般用近似算法，误差很小，而且偏于安全。

扩展资料：

假设双排钢筋间距为s，混凝土保护层厚度为c，纵向钢筋直径为d，箍筋直径为d1，梁高（或者板厚）为h，截面的有效高度h0计算如下：

对于梁 h0=h-（c+d/2+d1） (一排钢筋）

h0=h-（c+d+s/2+d1） (两排钢筋）

对于板 h0=h-（c+d/2）

参考资料来源：百度百科-截面有效高度

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