n.常衡(以磅为单位的衡制)

The weight of the parcel was measured in avoirdupois ounces.
这包裹的重量是以英制盎司来衡量的。
A pound of feathers weighs more than a pound of gold, when measured in avoirdupois.
一磅的羽毛比一磅的金子重，如果用英制单位来衡量的话。（注：此句为英语中的一个常见谜语，其关键在于理解“一磅”在英制中是指不同的重量。）
The butcher sold the meat by avoirdupois weight.
屠夫按照英制重量出售肉。
Avoirdupois is the system used for most goods, except precious metals and gemstones.
英制重量系统用于大多数商品，除了贵金属和宝石。
In the avoirdupois system, a pound is equal to 16 ounces.
在英制重量系统中，一磅等于16盎司。
The scales were calibrated to measure in avoirdupois pounds.
秤被校准以测量英制磅。
The recipe called for two avoirdupois ounces of butter.
食谱要求使用两英制盎司的黄油。
The avoirdupois system is based on the pound as a unit of weight.
英制重量系统是以磅作为重量单位的基础。
He had to convert the weight from kilograms to avoirdupois pounds for the shipment.
他必须将重量从千克转换为英制磅以便于运输。
The postal service charges according to the avoirdupois weight of the package.
邮政服务根据包裹的英制重量收费。