| 释义 |
av.er.age AMOUNTH5Av7[r7IJ, $5-L-nthe result obtained by adding two or more amounts together and dividing the total by the number of amounts平均，平均数The average of the three numbers 7, 12 and 20 is 13, because the total of 7, 12 and 20 is 39, and 39 divided by 3 is 13. [C]7、12和20这三个数的平均数是13，因为 7、12和20的和为39，而39被3除等于13。Prices have risen by an average of 4% over the past year. [C]物价的平均上涨率比去年高出4% 。She walked 8 km in two hours, so her average was 4 km per hour. [C]两小时内走了8公里，那么她的平均速度就是每小时4公里。My income's rather variable, but I earn ￡53 a day on average. [U]我的收入起伏很大，但平均每天挣53英镑。
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