“长城”概念、定义、翻译-科学时代

单词	长城
释义	旅游词汇手册长城 Great Wall
随便看	knife-edge pivot knife edge pointer knife-edge pointer knife-edge relay knife-edge scanning knife-edge support knife-edge suspension knife-edge switch knife-edge test knife-edge testing knife extension blade knife fighting knife file knifefish knife flywheel knife folding knife folding knife folding machine knife gate knife gate valve (KGV) knife grinder knife grinder knife grinder knife guide knife holder

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。