incidence
英 [ˈɪn.sɪ.dəns]
美 [ˈɪn.sɪ.dəns]
- n. 发生率；影响；[光] 入射；影响范围
使用频率:
记忆方法
记忆“incidence”这个单词，可以采用“incense”的联想记忆法。想象一下“incense”（香料）在空气中扩散，形成一种“incidence”（发生率）的情景。这种视觉联想可以帮助你记住“incidence”这个单词的意思。
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中文词源
incidence 发生率
来自incident,偶发事件，发生。引申词义发生率。
英语词源
- incidence (n.)
- early 15c., "incidental matter," from Middle French incidence (15c.), from Late Latin incidentia (see incident (n.)). Meaning "act of coming into contact with" is from 1650s; sense in physics is from 1620s.
权威例句
- 1. an area with a high incidence of crime
- 犯罪率高的地区
- 2. This area has a high incidence of crime, disease, unemployment, etc.
- 这个地区的犯罪率 、 发病率 、 失业率等很高.
- 3. The report analyses the incidence of cancer among people aged 0 - 24.
- 这份报告分析了从0 岁 到24岁的人的癌症发病率.
- 4. The change in smoking is paralleled by a change in the incidence of lung cancer.
- 吸烟情况的变化与肺癌发病率的变化如影随形。
- 5. It was noted that within a year the incidence of illness had increased quite significantly.
- 据观察一年之内发病率显著上升。
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