pure gold

名词 pure gold:

1. 100 per cent gold
   同义词：24-karat gold

1. A unit of measure for the fineness of gold, equal to!/24 part. Pure gold is24 karat; gold that is50 percent pure is12 karat.
   开测量黄金纯度的单位，等于24等分中的一分。纯金为24开; 50％纯度的黄金为12开