1. 常衡：盎司(Ounce)这个重量单位,分常衡(Avoirdupois)、金衡(Troy)、药衡(Apothecaries'). 常衡1盎司(Oz)等于28.35克. 金衡1盎司(Oz.t)等于31.1035克. 药衡1盎司(Oz.ap)等于31.103克. 换言之,金衡盎司最重,药衡盎司次之,常衡盎司最轻.
2. 英国常衡制：av.;ave,;avg. average 平均 | avoirdupois 英国常衡制 | A,V. apparent viscosity 表观粘度
3. 常衡制：Common Terms of Measure and Weight常见度量衡词语 | avoirdupois 常衡制 | bushel 浦式耳
noun
1. excess bodily weight
e.g. she disliked fatness in herself as well as in others
2. a system of weights based on the 16-ounce pound (or 7,000 grains)
Synonym: avoirdupois weight