occurrence
名詞
UK/əˈkʌr.ᵊns/
US/əˈkɝː.ᵊns/
定義 occurrence 名詞
event(事件)
- C1Countable(可数名词)
an event or incident that takes place
发生的事件；事故；遭遇
In that part of the city, street brawls are a daily occurrence.
在城市的那个区域，街头斗殴是日常事件。
The occurrence of this rare bird in the region attracted the attention of ornithologists.
这种稀有鸟类在该地区的出现引起了鸟类学家的注意。
The power outage was a sudden occurrence without any prior warning.
停电是一个突然发生的事件，没有任何预警。
existence(存在)
- C1Uncountable(不可数名词)
the state or fact of existing; the extent to which something exists
发生；次数
The research examined the rate of occurrence of the disease in different age groups.
这项研究检查了不同年龄组中该疾病的发生率。
The high occurrence of pollutants in the area is a cause for concern.
该地区污染物的高发率令人担忧。
The occurrence of drought has significantly increased due to the lack of rainfall.
由于缺乏降雨，干旱的发生率显著增加。