by什么意思中文
时间：2026-02-02 09:50:08来源：
“by”是英文介词，常用于表达方式、时间、位置等。以下是常见用法的总结：
| 英文 | 中文意思 | 例句 |
| by | 通过、经由 | I learned English by studying hard. |
| by | 在…旁边 | She sat by the window. |
| by | 在…之前 | The work must be finished by tomorrow. |
| by | 被 | The book was written by a famous author. |
“by”在不同语境中含义多样，需结合句子理解。掌握其基本用法有助于提升英语阅读与写作能力。
