per

[pə]

prep.每, 每一, 经过, 按照

例句与用法：

We were bowling along (the motorway) at seventy miles per hour.

我们以每小时七十英里的速度(在高速公路上)飞驰。

The vessel tax of anchorage is 5,000 dollars per year.

这艘船的停泊税一年是五千美元。

Public houses are licensed to sell alcoholic drinks for a certain number of hours per week.

酒店执有酒类经销许可证，每周可按一定时数出售。

He told me that middle C is equivalent to 256 vibrations per second.

他告诉我说中央C音相当于每秒振动256次。

Force applied uniformly over a surface, measured as force per unit of area.

压力; 压强统一作用于物体表面的力量，用每一单位面积上的压力计量

The hurricane has a speed of 73 miles per hour.

飓风每小时73英里。

Out of each hundred; per hundred.

百分之出于每一百; 每一百

These apples cost five yuan per kilogram.

这些苹果每公斤五元。

详细释义：

prep.

1. 经, 由, 靠

The goods were shipped per steamer.

货物由船舶运送。

2. 每

The lunch is $3.50 per person.

午餐费是每人三元五。

3. 按照, 根据

The report was sent to the general manager as per your instructions.

按照您的指示, 报告送给总经理了。