| 释义 |
〔grain〕A unit of weight in the U.S. Customary System, an avoirdupois unit equal to 0.002285 ounce (0.065 gram). See table at measurement 格令:美国惯用体系的重量单位,一常衡单位等于0.002285盎斯(0.065克) 参见 measurement〔ounce〕A unit of weight in the U.S. Customary System, an avoirdupois unit equal to 437.5 grains (28.35 grams).盎司:美国度量衡制的一个重量单位,常衡等于437.5格令(28.35克) |