per
/强pɜː(r), 弱pə(r)/preposition
1
- for each (used with units to express a rate)每, 每一（与单位连用, 表示比率）：
he charges £2 per square yard.
他每平方码要价两英镑。
2
- archaic by means of〈古〉经, 由, 靠, 通过：
send it per express.
由快件来发送。
3
as per
in accordance with按照, 根据：made as per instructions.
依照说明制作。
4
- Heraldry divided by a line in the direction of【纹章】依…的方向：
per bend
依弯曲的方向
per pale
被一条直条在中部一分为二
per saltire.
沿X形十字方向。
短语
as per usual
- as usual照常, 按惯例。
词源
Latin, 'through, by means of'; partly via Old French.