average LET平均线性能量转换averagen.平均数；平均水平adj.平均的；一般的；通常的v.取平均值；达到平均水平average behavior of algorithm算法平均性能average hours worked per week平均周工作时数average outgoing quality rate平均出厂合格率average power analysis method平均功率分析法average static load per wagon货车平均动载重average longitudinal gradient平均纵坡average disbursements clauses[经] 共同海损费用条款average error capacity region平均差错容量区average annual rate of growth[法] 年平均增长率average daily milk production平均日产奶量

1. The fatter people slept about 1.8 hours a week less than those of average weight.
   较胖的人比那些平均体重的人每周少睡了约1.8小时。