| sag | |
| 级别 | 第9级 |
| 音标 | [ sæɡ ] |
| 解释 | vi.下垂，下跌，消沉；vt.使下垂；n.下垂，下跌，凹陷，[航海]随风漂流 |
| 英英释义 | to drop down to a lower level in the middle |
| 发音 |  |
| 例句 |
1. The shelf was beginning to sag beneath the weight of the books upon it. 书架在书的重压下渐渐下弯。 2. We need to do something about the sag. 我们须把下沉的地方修整一下。 |
