| 单词 | nb |
| 释义 | Nb nnoun.substancea soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium Synset:Nb atomic number 41 niobium Substance Holonyms:columbite niobite Hypernyms:metal metallic element Inherited Hypernyms:niobiummetallic elementchemical elementsubstancematterphysical entityentity Inherited Hypernyms:niobiummetallic elementchemical elementsubstancepartrelationabstractionentity Direct Hyponyms:columbium Full Hyponyms: columbium nnoun.communicationa Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something Synset:N.B. NB nota bene Examples:
Hypernyms:annotation notation note Inherited Hypernyms:nota benenotecommentstatementmessagecommunicationabstractionentity |
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