单词查询
gemologists
释义
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网络释义： 宝石学家；
例句
Generally, gemologists refer to specific gravity, or relative density -- the ratio of the density of a gemstone relative to that of water.
一般来说，宝石指比重，或相对密度-宝石的密度相对于水的密度。
A gem of a discovery indeed, but one that is unlikely to excite gemologists as much as astronomers.
的确是发现了一颗宝石，但是宝石学家似乎不像天文学家那么对此感到兴奋。
一般来说，宝石指比重，或相对密度-宝石的密度相对于水的密度。
A gem of a discovery indeed, but one that is unlikely to excite gemologists as much as astronomers.
的确是发现了一颗宝石，但是宝石学家似乎不像天文学家那么对此感到兴奋。