| 单词 | bort |
| 释义 | Word Frequency bort or boart (bɔːt) or bortz (bɔːts) noun an inferior grade of diamond used for cutting and drilling or, in powdered form, as an industrial abrasive Derived forms borty (ˈborty) adjective Word origin Old English gebrot fragment; related to Old Norse brot piece, Old High German broz bud |
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