Word · Frequency #743
per
每
for each; for every
- 1.
For each.
每
- 2.
To each, in each (used in expressing ratios of units).
每(用于表示单位比率)
- 3.
By the, through the (with name of body part in Latin).
通过(拉丁语身体部位名称)
- 4.
In accordance with, as per.
依照,按照
- 5.
According to.
根据
按照；根据；通过；经；由；每(用于表示单位比率)；通过(拉丁语身体部位名称)；依照,按照
In use
The speed limit on this road is 60 kilometers per hour.
These oranges cost three dollars per pound at the market.
She earns about two hundred dollars per day working as a guide.
per + 单位名词
The speed limit is 60 miles per hour.
限速为每小时60英里。
per + 名词（规则/指示）
The work must be done per the specifications.
工作必须按照规格进行。
Common mistakes
I will send the document per email.I will send the document by email.
per表示'通过'时，通常指经由某种渠道，但现代英语中表示方式常用by；学习者易将中文'通过'直译为per，而忽略英语惯用by。
Connections
Collocations
- per day
- 每天
- The cost is $20 per day.费用是每天20美元。
- per person
- 每人
- The tour costs $50 per person.这次旅行每人花费50美元。
- per annum
- 每年
- The interest rate is 5% per annum.年利率为5%。
- per capita
- 人均
- The country's per capita income has increased.该国的人均收入增加了。
- per se
- 本身；本质上
- The law is not unjust per se.法律本身并非不公正。
- per cent
- 百分之...
- Only 40 per cent of voters turned out.
Learner notes
Memory Tip
想象一个人说“per head”（每人），联想到“每”的意思，记住per表示“每一”。
Context & Register
通常用于正式或专业语境，如商业、法律或学术写作。
Grammar Note
per表示'每一'，常用于单位或比例，如per day（每天）。
Pronunciation & Spelling
All words share the ending sound /ɝ/ as in 'per'.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.