“number of children living”概念、定义、翻译-科学时代

单词	number of children living
释义	人口学词汇手册 number of children living 存活婴儿数
随便看	air corps air corridor air corridor air countermeasures air-coupled Rayleigh wave air cover aircraft aircraft aircraft aircraft accident and incident aircraft accident recorder aircraft alerting system aircraft ammunition aircraft antenna aircraft antimissile missile aircraft armament aircraft artificer aircraft automatic gun aircraft availability aircraft bomb aircraft-carried normal earth-fixed system aircraft carrier aircraft classification number aircraft classification number--aircraft classification number（ACN） aircraft classification number（ACN）

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。