| incidence | |
| 级别 | 第6级 |
| 音标 | [ ˈɪnsɪdəns ] |
| 解释 | n.发生，影响；入射 |
| 英英释义 | an event , or the rate at which something happens |
| 发音 |  |
| 例句 |
1. The angle of incidence equals the angle of reflection. 入射角等于反射角。 2. The incidence of this disease has dropped considerably in the past few years. 近几年这种病的发病率大大降低了。 |
