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1·Parents spend an average of $220 a year on toys.

父母为孩子买玩具的花费每年平均为220元。《牛津词典》

2·Johnson carried the ball an average of 6 yards per rush.

约翰逊跑动带球平均每次行进6码。《牛津词典》

3·The boats remain at sea for an average of ten days at a time.

这些船平均每次在海上呆10天。《柯林斯英汉双解大词典》

4·Kelly had scored an average of 147 on three separate IQ tests.

凯利在3次单独进行的智商测试中平均得到147分。《柯林斯英汉双解大词典》

5·It takes an average of ten weeks for a house sale to be completed.

平均需要10周的时间才能完成一幢房子的销售。《柯林斯英汉双解大词典》

6·The price of a PC has fallen by an average of 25% a year since 1982.

1982年以来个人电脑的价格平均每年下降25%。《柯林斯英汉双解大词典》

7·In the autumn of 1940 London was blitzed by an average of two hundred aircraft a night.

1940年秋，伦敦平均每晚被两百架飞机空袭。《柯林斯英汉双解大词典》

8·Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.

医生们平均每周工作90个小时，而有些出诊长达120个小时。《柯林斯英汉双解大词典》

9·At all 14 state schools, tuition and fees are going up this autumn by an average of about 10 percent.

所有14所州立大学今年秋季的学杂费都将上涨平均约10％。《柯林斯英汉双解大词典》

10·Chinese people spend an average of 26 minutes on WeChat Reading every day.

中国人平均每天花26分钟在微信阅读上。