网站首页 汉语 德语 英语
A mining engineer who oversees coal mines or is employed as a consultant in the coal industry. Compare earlier "viewer".
Late 18th century; earliest use found in Lloyd's Evening-post. From coal + viewer.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。