您要查找的是不是：
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- On average we receive five letters each day. 我们平均每天收到五封信。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- His work at school is below the average. 他的学业成绩在一般水平以下。
- The readings we took were well above average. 我们记录的读数远远高於平均数。
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- Tom's work at school is above the average. 汤姆的功课是中上等水平。
- There must be a break in the circuit. 电路中一定有断路。
- On average, 15 worth of goods is stole every day. 平均每天被窃取的货物价值为15英镑。
- A short circuit will blow the fuse. 短路会烧断保险丝的。
- On the average, there are 300 tourists a week. 每星期平均有300游客。
- A short circuit put the machine out of action. 短路使机器停转。
- The average age of the students is 19. 学生的平均年龄是19岁。
