A unit of weight in the U.S. Customary System, an avoirdupois unit equal to0.002285 ounce(0.065 gram).是什么意思_A unit of weight in the U.S. Customary System, an avoirdupois unit equal to0.002285 ounce(0.065 gram).在线翻译_英语_读音_用法_例句