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单词 naat
释义

naat

/nɑːt/
Gem-cutting
noun
An irregularity in the structure of a diamond, caused by a change of direction in the grain as a result of twinning.

Origin

1940s; earliest use found in Industrial Diamond Review. From Afrikaans naat, specifically use of naat seam, suture from Dutch naad.

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更新时间:2024/12/23 14:27:39