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单词	Mach cone
释义	Mach cone noun : the conical pressure wave front produced by a body moving at a speed greater than that of sound Word History Etymology after Ernst Mach
随便看	argents argentum argentum Dei argentums Argerich argh arghan arghans arghool arghoul Argidae argil argill- argillaceo- argillaceous argilli- argillic argilliferous argillite argillites argillo- argilloid argillous argils arginase

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。