您要查找的是不是：
- The secretary sign per pro the manager. 秘书被授权代表经理签字。
- Per Pro. 代理的
- This arrangement will have to do pro tem. 暂时只好这样安排。
- Much has been written on the subject pro and con. 对那问题已有很多赞成和反对的文章。
- The agency places about 2000 secretaries per annum. 该代理机构每年可为约2000名秘书安排工作。
- It travels thousands of miles per second. 它一秒钟能走几千英里。
- Can your car make a hundred miles per hour? 你的汽车一小时能开一百英里吗?
- These apples cost five yuan per kilogram. 这些苹果每公斤五元。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- The car is spinning along120 li per hour. 这车正以每小时120里的速度行进。
- We must be fair and consider the reason pro and con. 我们必须公平考虑赞成和反对的理由。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- The four and a half per cent bonds are in request. 利息四厘五的债券需求量大。
- Last year its retail price fell20 per cent. 去年，它的零售价格下降了百分之二十。
- A postman's wages are 180 per week. 邮递员的工资为每周180英镑。
- Per capita incomes rose sharply last year. 去岁人均收入剧增。
- We must consider the reasons pro and con. 我们必须考虑正反两方面的理由。
- The speed limit is 40 miles per hour. 规定的最高时速为40英里。
