['insidəns]
incidence
n. 发生(率)

例句与用法:

  1. The incidence of cases of rape have increase over the last year.
    强奸案的发案率在去年有所增加。
  2. The rate of incidence of a disease.
    发病率发生疾病的概率

英英解释:

名词 incidence:

  1. the relative frequency of occurrence of something
  2. 同义词:relative incidence
  3. the striking of a light beam on a surface