# gemstone ##### 词义 - #词性/n 宝石 ##### 例句 - The gemstone is 28.6 millimetres high and weighs 139.43 carats . - 这块宝石高28.6毫米，重139.43克拉。 - Research and Development of High-quality Gemstone Crystals Grown by Hydrothermal Method - 高档宝石晶体的水热法生长、宝石学特征及其发展前景&刚玉类和绿柱石类宝石晶体 - A new method for the grade classification of gemstone and its application - 一种新的宝玉石品级划分法及其应用 ##### 形态 - #形态/word_pl gemstones