[医] 英国常衡磅
There are 27.34 grains in one dram, 16 drams to one ounce and 16 ounces to one avoirdupois pound.
avoirdupois pounds───惯常体重磅
avoirdupois weight───平均重量
avoirdupois───n.体重；常衡；肥胖
avoirdupois weights───平均重量
