| 单词 | coal cutter |
| 释义 | coal cutter in British English (kəʊl ˈkʌtə) noun mining a machine for undercutting a coal seam When he started out, explosives had not yet come into use and when he retired, mechanicalcoal cutters were already at work. coal cutter in American Englishnoun a machine for cutting a kerf, esp. in longwall mining Word origin [1870–75]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: billing, fifth wheel, linkage, upgrade, washout |
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