per

英[pə(r)]美[pər]

prep.由，（表示根据）依照，（表示比率）（尤指数量，价格，时间）每；

英语六级真题

2 million barrels per day to the crude oil market, contributing to a global over-supply.

With fertilizer prices jumping nearly 50% per metric ton over the last year in some places, human waste is an attractive, and often necessary, alternative.

Today, energy storage is a $33 billion global industry that generates nearly 100 gigawatt-hours of electricity per year.

These less- stressed workers gained an average of 62 minutes per week of productivity.

Recent polls by the Pew Research Centre in Washington, DC, found that 75-80 per cent of participants regarded climate change as an important issue.

Per-capita local government spendingIn other words, communities with high levels of per-capita income growth, high percentages of two-parent families, and high local government spending—which may stand for good schools— are the most likely to help poor children relive Horatio Alger's rags-to-riches story.

Per-capita ( ' , 人均 ) income growth 2.

For a middle-class, husband-and-wife family (average pretax income in 2009: $76,250), spending per child is about $12,000 a year

Today, we produce about four billion metric tonnes of food per year

trillion m3of water is used by humans per year.

Let's see, Group C, three to five days hire with unlimited mileage is 53 pounds per day.

For Group C cars is 6 pounds per day

We can invent computers capable of processing ten million calculations per second.

The price is ￡60 per person including a continental breakfast.

Parking rates will be attracted about $400 monthly or $25 per day, according to Ari Milstein, the director of planning for Automation Parking Systems, which is the U.S. subsidiary of a German company.

I always tell people to make sure they're drinking enough fluids, which for the average person is 60 to 70 ounces a day, which translates into eight 8-ounce glasses of water or liquid per day.

In 2005, as the authors observe, real consumption per person in France was only 60% as high as the U.S., making it appear that Americans were economically much better off than the French on average.

It reproduces incredibly quickly, breeding up to 12 generations per year if conditions are favorable.

Mothers who slept in the same room as their infants, whether in the same bed or just the same room, had poorer sleep than mothers whose babies slept elsewhere in the house: They woke up more frequently, were awake approximately 20 minutes longer per night

Participants in the study were separated into two groups—one group was asked to eat 30 grams of protein per meal in the form of whole foods.

Resurrection plants, defined as those capable of recovering from holding less than 0.1 grams of water per gram of dry mass, are different.

The advent of new technologies has added about 4.2 million barrels per day to the crude oil market, contributing to a global over-supply.

The bird Clark's nutcracker, for example, hides up to 100, 000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic(共生的) relationship with several pine species, most 32 notably the whitebark pine.

These less-stressed workers gained an average of 62 minutes per week of productivity.

Those spending 10-19 hours per week on their devices were 41 percent more likely to be unhappy than lower-frequency users.

Today, energy storage is a $33 billion global industry that generates nearly 100 gigawatt-hours of electricity per year.

When Liu, the UCLA sleep researcher and professor of medicine, brought chronically sleep-restricted people into the lab for a weekend of sleep during which they logged about 10 hours per night, they showed improvements in the ability of insulin to process

While by no means perfect, it is considerably more comprehensive than average income, taking into account not only growth in consumption per person but also changes in working time, life expectancy, and inequality.

with fertilizer prices jumping nearly 50% per metric ton over the last year in some places, human waste is an attractive, and often necessary, alternative.

柯林斯高阶英汉双解学习词典释义

PREP

（用来表示比率、比例等）每，每一

You use per to express rates and ratios. For example, if something costs £50 per year, you must pay £50 each year for it. If a vehicle is travelling at 40 miles per hour, it travels 40 miles each hour.

例句

PREP-PHRASE

依照；依据

If something happens as per a particular plan or suggestion, it happens in the way planned or suggested.

例句

英汉词典释义

prep.

〈拉〉(表示关涉)通过, 由

(表示根据)依照, 根据

(表示比率)(尤指数量, 价格, 时间)每

每，每一

adv.

每次；每个

照常；按惯例

adj.

高的；过的；全的

行业词典

计算机： 每，按[P];= Program Error Report,程序错误报告; = Program Event Recording (IBM), 程序事件记录(程序，软件); = Program Execution Request, 程序执行请求；