| 单词 | Mach |
| 释义 | Mach [mɑ:k] [mæk] noun uncountable ■a measurement of speed which is calculated by dividing the speed of an object, often an aircraft, by the speed of sound 马赫（飞行速度与音速之比值） |
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101BT英语在线翻译词典收录了36528条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。