“Explain” 是一个常用动词，表示“解释、说明”。以下是其常见用法和搭配总结：
| 用法/搭配 | 说明 |
| explain + sth | 解释某事 例：He explained the problem. |
| explain + how/why | 解释如何或为什么 例：She explained how to use the app. |
| explain to someone | 向某人解释 例：I explained it to my teacher. |
| explain something to someone | 向某人解释某事 例：He explained the plan to the team. |
| explain oneself | 自我辩解 例：She had to explain herself after the mistake. |
使用时注意语态和对象，避免混淆“explain”与“describe”等近义词。
