adj 平均的((of measurement)average) [作attrib]：the～rainfall/velocity/income/age平均降水量/速度/收入/年龄;the～annual temperature年平均气温;6 is the～number (quantity) between 3 and 9. 6是3和9的平均数。Greenwich M～Time(GMT)格林尼治时间(又叫世界时);〖同〗average;〖反〗extreme，greatest，least;

n (1)中间(庸)(midway between two opposites; average)[C]：a～between hope and despair希望与绝望并存;a happy～between extravagance and stinginess/frankness and rudeness 取奢靡与吝啬/坦率与唐突中间之道;The moral～is not mathematics～between extremes.道义上的中庸不是数学平均值。the golden/happy～中庸之道;〖同〗average;

(2)中数，平均值(average amount;a middle point)[C]：Three is the～of the series from one to five. 3是数列1至5的中数。The～of 5，4，10 and 15 is 8.5. 5、4、10、15的平均数是8.5。 6 is the～of 3，7 and 8. 6是3、7、8 三个数的平均数。〖同〗average