“black jack”概念、定义、翻译-科学时代

单词	black jack
释义	能源科学技术词汇手册 black jack 黑色原油，粗焦油；煤层炭质软黏土；瘦煤；烛煤；黑色闪锌矿
随便看	work age work agenda workaholic work aid work-and-back work-and-family program work and life balance work and material clause work and materials clause work-and-rest system work and tumble work and turn work and twist work at home work attendance work attitude work behavior work behind scenes workbench work bench workblank workbook work book workbook workbook

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。