sub-average

常见例句

• The average age of the boys in this class is fifteen.
  本班男生的平均年龄是十五岁。
• I had to sub for the referee, who was sick.
  裁判病了，我得代为裁判。
• 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。
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