per
[pɚ]
prep.
由;
（表示根据）依照;
（表示比率）（尤指数量，价格，时间）每;
adv.
每次;
每个;
照常;
按惯例;
adj.
高的，过的，全的;
例句:
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Maximum rate of fire is six rounds per minute.
来自BBC
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Most of our flights have a baggage allowance of 44lbs per passenger.
我们大多数航班行李限重为每位乘客44磅。
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By 1973 the government deficit equalled thirty per cent of GNP.
到1973年，政府财政赤字相当于国民生产总值的30%。
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He pronounced it Per-sha, the way the English do.
他像英格兰人那样将它读成Per-sha。
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The team gave these females one cricket per week.
来自BBC
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Centre by Shaun Maloney, blocked by Per Mertesacker.
来自BBC
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These apples cost 40 pence per pound.
这些苹果每磅40便士。
来自《权威词典》
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You bought goods per list price.
你按照所列价格买商品。
来自《权威词典》
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How much beer will you drink per head?
你们每人能喝多少啤酒?
来自《权威词典》