From the Latin tuba meaning ‘trumpet’, a supplementary cloud feature of cumulonimbus or sometimes cumulus, characterized by a column or cone of cloud projecting from the cloud base. See also cloud classification.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。