单词 | working hole |
释义 | Definition of working hole in English:working holenoun
OriginMid 18th century; earliest use found in John Barrow (fl. 1735–1774), teacher of mathematics and writer. Definition of working hole in US English:working holenoun
OriginMid 18th century; earliest use found in John Barrow (fl. 1735–1774), teacher of mathematics and writer. |
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