“levelling course”概念、定义、翻译-科学时代

单词	levelling course
释义	市政工程词汇手册 levelling course 整平层，平整层
随便看	employment preparation employment problem employment programme employment prospects employment psychology employment psychology employment qualification employment rate employment rate employment rate employment relationship employment report employment research employment separation certificate employment service employment service Employment Service Agency （ESA） employment statistics employment status employment status employment status employment strategies employment structure employment subsidy employment survey

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。

levelling course