“bummer”的概念、定义、翻译、参考文献-科学参考

单词	bummer
释义	bummer [`bǝm·ǝr] ^FORESTRY A low truck with two wheels for carrying logs, or a tracked cart for dragging them. ^{MINING ENGINEERING} The person who runs conveyors in a quarry or mine.
随便看	drill press drill rod drill runner drill sleeve drill socket drill steel drill stem drill-stem test drill string drill weave Drilonematoidea drip drip cap drip-dry drip edge dripping drop atomization dripstone drive drive chuck drive control drive fit drivehead driveless work station drive light driveline

科学参考收录了103327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。