per
per的音标和读音：
DJ音标发音： [pə:]
KK音标发音： [pɜ]
per的词性：
prep.Abbr. p（介词）缩写 p
1. To, for, or by each; for every:
每一，每：对、为或通过每一个；每一个：
Gasoline once cost 40 cents per gallon.
汽油曾卖到每加仑40美分
2. Usage Problem According to; by:
【用法疑难】 根据；依照：
Changes were made to the manuscript per the author's instructions.
根据作者的提示，手稿做了改动
3. By means of; through.
经，由：以…方式；通过
per的词性：
adv.Informal （副词）【非正式用语】
4. For each one; apiece:
每一个地：为每一个；每个，每人：
sold the cookies for one dollar per.
蛋糕卖一美元一块
5. Per hour:
每小时地：
was driving at 60 miles per.
以每小时60英里的速度开车
per的词源：
6. Latin * see per 1
拉丁语 *参见 per 1
per的用法：
7. Per is appropriately used in the description of ratios (
Per 适用于描述比率(
five miles per day;
five miles per day;
20 dollars per person).
20 dollars per person)。
8. In its more general use to mean “according to” (as in per the terms of the contract ), it is best reserved for business and legal communications, unless the writer seeks a tone of jocular formality.
更普遍的意思是“根据”（如见 per the terms of the contract )， 最适于商业和法律交流，除非作者想寻求一种滑稽的正式口吻
per-
per的词性：
pref.（前缀）
1. Thoroughly; completely; intensely:
完全地；完整地；紧凑地：
perfervid.
热心的
2. Containing an element in its highest oxidation state:
包含处于最高氧化状态元素的：
perchloric acid.
高氯酸
3. Containing a large or the largest possible proportion of an element:
包含某元素的较大或最大可能比例：
peroxide.
过氧化物
4. Containing the peroxy group:
含氧基的：
peracid.
高…酸
per的词源：
5. Latin
拉丁语
6. from per [through] * see per 1
源自 per [通过] *参见 per 1
per.
per的词性：
abbr.（缩写）
1. Period
Period
2. Person
Person