incidences
incidences — 名詞
- incidencessingular
- incidencesesplural
1. measured rates showing how often a disease, problem, or condition appears in par
發生率
某事在群體中出現的比率
measured rates showing how often a disease, problem, or condition appears in particular groups, places, or time periods.
Health officials tracked incidences of dengue fever across the island last summer.
衛生官員追蹤了去年夏天全島登革熱的發生率。
incidences of [disease] across [place]
Christopher compared the incidences of asthma in two factory towns.
Christopher 比較了兩個工業城鎮的氣喘發生率。
incidences of [condition] in [place]
Doctors reported rising incidences of heatstroke after the long power cuts.
醫師回報，在長時間停電後中暑的發生率正在上升。
A school survey found low incidences of flu in Noa's class.
一項校內調查發現，Noa 班上的流感發生率很低。
- prevalence
focuses more on how widespread something is than on separate measured rates
- occurrence
broader and less technical; not usually used for disease-rate reporting
- frequency
general term for how often something happens, without the formal statistical tone
文法句型
incidences of [disease/problem]
high/low incidences
incidences in [place/group]
用法筆記
Used mainly in formal reports, especially in health or statistics. It usually compares how often a condition appears across different groups, places, or time periods.
常見錯誤
2. particular cases in which something happens, especially when a report or record
事件；案例
某事實際發生的個別事件
particular cases in which something happens, especially when a report or record counts them.
Several incidences of broken glass were reported after the concert.
演唱會後，有好幾起玻璃破裂的事件被通報。
several incidences of [problem]
The file records incidences of cheating during the final exam.
這份檔案記錄了期末考期間作弊的案例。
records incidences of [event]
Paloma spoke about two incidences of online bullying at her school.
Paloma 提到她學校裡兩起網路霸凌的事件。
Police reviewed earlier incidences of theft in the same apartment block.
警方回頭檢視了同一棟公寓先前幾起竊盜案例。
- incidents
more common in everyday English, often for unwelcome events
- cases
broader and common in reports or records
- occurrences
formal and close in meaning, but less tied to official records
文法句型
incidences of [problem/crime]
several incidences of something
reported incidences of something
用法筆記
More formal than 'incidents' or 'cases' and usually followed by 'of' plus the thing that happened. Distinguish from sense 1: this sense counts separate events, not a measured rate.
常見錯誤
3. occasions when light, or another moving object, reaches and meets a surface.
入射情況
光線等碰到表面的情形
occasions when light, or another moving object, reaches and meets a surface.
The textbook compares incidences of light on smooth and rough surfaces.
課本比較了光線射到平滑面與粗糙面時的入射情況。
incidences of light on [surface]
During the lab, Yan noted two incidences of sunlight on the sensor.
實驗時，Yan 記下了陽光射到感測器上的兩次入射情況。
two incidences of sunlight on [surface]
On the chart, three incidences of light are shown hitting the lens.
圖表上畫出了三次光線打到鏡片上的入射情況。
Different incidences of light on the window created bright lines indoors.
光線射到窗面上的不同入射情況，在室內形成了亮線。
文法句型
incidences of light on [surface]
incidences on a surface
different incidences of light
用法筆記
Mostly used in physics or optics. In everyday English, people usually say that light hits or falls on a surface instead of using this noun.