used to express the cost or amount of something for each person, number used, distance travelled, etc. 每;每一 Rooms cost £50 per person, per night. 房价每人每晚 50 英镑。 60 miles per hour 每小时 60 英里 France consumes around 200 000 tonnes of cocoa per year. 法国每年消费约20万吨可可。 This country has a higher crime rate per 100 000 of the population than most other European countries. 这个国家的每10万人口犯罪率比大多数其他欧洲国家高。
Word OriginLatin, ‘through, by means of’; partly via Old French.