as是什么
时间：2026-02-06 03:36:08来源：“as”是一个常见的英文单词，在不同语境中有多种含义。以下是其主要用法总结：
| 用法 | 含义 | 示例 |
| 连词 | 表示“当……时”或“因为” | As it was raining, we stayed home. |
| 介词 | 表示“作为”或“以……身份” | She works as a teacher. |
| 副词 | 表示“同样地” | He runs as fast as his brother. |
| 关系代词 | 引导定语从句 | The book as I read is interesting. |
“as”在日常英语中使用广泛，理解其不同用法有助于准确表达意思。学习时应结合具体语境进行分析。
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