per 的英语意思
perper /pə; strong pɜː $ pər strong pɜːr/ preposition 
查看全部语言翻译1per hour/day/week etc during each hour etc每小时等（时间单位）: 
The park attracts four million visitors per year.该公园每年吸引四百万游客。miles/kilometres per hour (=used for measuring speed)（=用于表示速度） a speed limit of 40 miles per hour每小时40英里的限速2for each每；每个: How much does it cost per kilo?每公斤多少钱？ rooms costing £40 per night每晚收费40英镑的房间 Admission is £9.95 per adult.成人票价为9.95英镑。 My car does 12 miles per litre (=for each litre of petrol).我的车每升汽油能跑12英里（=每升汽油行驶的里程）。 The meal cost $25 per head (=for or by each person).这顿饭每人花费25美元（=每人）。3 as per something formal正式 according to something按照；依据: The work was carried out as per your instructions.这项工作是按照您的指示进行的。4as per usual/normal spoken口语 used when something annoying happens which has often happened before用于指令人恼火的事情再次发生（和以往如出一辙）: Jenny was late, as per usual.珍妮跟往常一样，又迟到了。 → per annum, per capita
查看全部语言翻译1per hour/day/week etc during each hour etc每小时等（时间单位）: The park attracts four million visitors per year.该公园每年吸引四百万游客。miles/kilometres per hour (=used for measuring speed)（=用于表示速度） a speed limit of 40 miles per hour每小时40英里的限速2for each每；每个: How much does it cost per kilo?每公斤多少钱？ rooms costing £40 per night每晚收费40英镑的房间 Admission is £9.95 per adult.成人票价为9.95英镑。 My car does 12 miles per litre (=for each litre of petrol).我的车每升汽油能跑12英里（=每升汽油行驶的里程）。 The meal cost $25 per head (=for or by each person).这顿饭每人花费25美元（=每人）。3 as per something formal正式 according to something按照；依据: The work was carried out as per your instructions.这项工作是按照您的指示进行的。4as per usual/normal spoken口语 used when something annoying happens which has often happened before用于指令人恼火的事情再次发生（和以往如出一辙）: Jenny was late, as per usual.珍妮跟往常一样，又迟到了。 → per annum, per capita