您要查找的是不是：
- average fertility number 平均生育数
- average life-time fertility number 平均终生生育数
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- It will be a fertility of year for much raining. 因为雨水多，今年会是丰产的一年。
- 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。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- 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。
- It's rich there because of the fertility of soil. 因为土地肥沃，那儿很富裕。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- She is taking drugs to increase her fertility. 她为了增强她的生殖能力而在服药。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- On average we receive five letters each day. 我们平均每天收到五封信。
- The students in our class number thirty. 我班总共有三十名学生。
- 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。
