Word · Frequency #33
as
像；和……一样；按照
核心释义
In the same way or manner that; to the same degree that.
- 1.
以相同的方式或程度
In the (same) way or manner that; to the (same) degree that.
- 2.
在...的时候；当...时
At the time that; during the time when:
- 3.
因为；既然
Being that, considering that, because, since.
- 4.
用于介词前以明确短语对句意的限制
used before a preposition to clarify that the prepositional phrase restricts the meaning of the sentence; specifically.
- 5.
Functioning as a relative conjunction, and sometimes like a relative pronoun: that, which, who. (See usage notes.)
当；在……的时候；因为；由于；至于；关于；像……这样的；……的；以相同的方式或程度
用法In use
As it was raining heavily, we decided to stay indoors.
用法提示：连词'as'引导原因状语从句，表示'因为'。
He didn't attend the meeting as he was feeling unwell.
用法提示：连词'as'连接原因状语从句，说明未参加会议的原因。
As she had forgotten her keys, she had to wait outside.
用法提示：连词'as'表示'由于'，引导原因状语从句。
as + clause (reason)
as 作为连词表示原因，语气较弱。
As it was raining, we stayed inside.
因为下雨了，我们呆在室内。
clause + as + clause (reason)
as 表示原因时可放在句末。
We stayed inside as it was raining.
相关词与表达Connections
搭配Collocations
- as soon as
- 一……就……；尽快
- Call me as soon as you get home.你一到家就给我打电话。
- as long as
- 只要；如果
- You can borrow the car as long as you drive carefully.只要你小心驾驶，就可以借这辆车。
- as if
- 好像；仿佛
- She spoke to me as if she had never met me.她跟我说话的样子好像从没见过我。
- as ... as
- 和……一样；像……那样
- The test was not as hard as I expected.考试没有我预想的那么难。
- as much as
- 尽管；即使
学习提示Learner notes
记忆技巧Memory Tip
把 as 看成一座小桥：两边连着相同的事物就是“和…一样”，连着时间就是“当…时”，连着原因就是“因为”。
语境与语域Context & Register
语域：neutral 常见场景：日常对话、书面语、新闻与学术文本 as 作连词时通常表达比较、时间或原因等关系，在正式与非正式场合都很常见；具体含义需结合上下文判断。
发音与拼写Pronunciation & Spelling
与 as /æs/ 真正押韵的词有 gas、pass、class、mass（class 在美式英语中读 /klæs/，英式英语常读 /klɑːs/）。has 和 was 拼写以 -as 结尾，但不押韵：has 读 /hæz/，was 读 /wʌz/，词尾是浊音 /z/。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
一起学习词形
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.