In the autumn of 1940 London was blitzed by an average of two hundred aircraft a night.

1940年秋，伦敦平均每晚被两百架飞机空袭。

《柯林斯英汉双解大词典》

We are still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and a half less each night than North Americans do.

我们仍然在这个项目的探索阶段，尽管值得注意的是，东亚人平均每晚比北美人少睡一个半小时。

youdao

An average Marine carries about 9lbs of disposable batteries in their kit to power equipment such as night vision goggles and radios.

平均每个陆战队员所携带的装备中有9磅的一次性电池，用于为夜视镜和无线电台这些设备供电。

youdao

The Framework street outreach took around 80 homeless people off the streets in 2012, and figures suggest that Nottingham only has seven rough sleepers on an average night.

BBC: Nottingham

Figures obtained by the BBC under the Freedom of Information Act show an average of 1, 000 complaints a year over late night parties in the city.

BBC: 'Party patrols' begin in Oxford to tackle late night noise

The researchers said the women had done night shifts for an average of two to three years and in industries such as healthcare, food preparation and service, and office and admin support.

BBC: 'Night shift link' to ovarian cancer