Hallmark
01
a distinctive characteristic that identifies someone or something
比喩的
文法情報
例
Careful observation is a hallmark of her research.
02
an official mark stamped on an article to certify its origin, purity, or authenticity
専門的
例
The ring bears a hallmark confirming the purity of its gold.
to hallmark
01
to stamp an article with an official mark certifying its origin, purity, or authenticity
専門的
文法情報
形態的構成
単純語
規則的
例
The assay office hallmarks every item that meets the standard.
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