incidence [ˈɪnsɪdəns]以下由轻松背单词网站提供
单词级别第6级基本释义n.发生,影响;入射英英释义an event , or the rate at which something happens参考例句The angle of incidence equals the angle of reflection. 入射角等于反射角。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。 推荐阅读 |