| upgrade | |
| 级别 | 第6级 |
| 音标 | [ ˌʌpˈgreɪd ] |
| 解释 | vt.提高，加强，改善；n.提高，改善 |
| 英英释义 | to improve the quality or usefulness of something, such as a machine or a computer program , or give a person a more important job or state that their job is more important than it was in the past |
| 发音 |  |
| 例句 |
1. We need to upgrade the status of teachers. 我们需要提升老师的地位。 2. To upgrade a clerk to manager. 将办事员提升为经理。 |
