常見例句The average age of the boys in this class is fifteen. 本班男生的平均年齡是十五嵗。I had to sub for the referee, who was sick. 裁判病了,我得代爲(wèi)裁判。The average output of the factory is 20 cars a day. 該工廠的平均産量是每天20輛汽車。His income is well below the average. 他的收入大大低於平均水平。We fail one student per year on average. 我們平均每年有一個(gè)學(xué)生不及格。Meals average out at 5 per head. 膳食平均每人5英鎊。 返回 sub-average