When a gem has these threads, cutting it into facets might make it look kind of muddy.
当一块宝石拥有这些线状包裹体,切割成刻面型可能使它看上去有些模糊。
单词 | thread cutting |
例句 |
原声例句
Scishow 精选系列 When a gem has these threads, cutting it into facets might make it look kind of muddy. 当一块宝石拥有这些线状包裹体,切割成刻面型可能使它看上去有些模糊。 |
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