ngọc học
Meaning
1 senses
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The scientific study of gemstones, including their identification, grading, and properties.
vi Anh ấy đang theo học chuyên ngành ngọc học.
en He is studying gemology.
Parts
ngọc / học / Sino-Vietnamese; the character is 玉學 …
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OriginSino-Vietnamese; the character is 玉學