“第一宇宙速度”概念、定义、翻译-科学时代

单词	第一宇宙速度
释义	天文学词汇手册第一宇宙速度 first cosmic velocity
随便看	underdevelopment underdevelopment underdevelopment of industrical resources underdifferentiation underdispersion underdone underdose underdrain underdrain underdrain underdrainage underdrainage under-drainage underdrainage system under drawer underdrawn underdress underdrive underdrying underdrying cocoon underemployed sector underemployed worker underemployment underemployment underemployment

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。