“bottom”概念、定义、翻译-科学时代

单词	bottom
释义	交通运输工程词汇手册 bottom 船底；海底
随便看	screw-rudder screwshaft screw stairs screw thread screw thread screw thread screw thread gauge screw thread micrometer screw-tree screw-type bulb screw-type fuse screw type pump scribble scribble scribbler scribe scribe scribe scribe scriber scriber scriber scriber scribing scribing

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。