“manual labour”概念、定义、翻译-科学时代

单词	manual labour
释义	人口学词汇手册 manual labour 体力劳动（工人）
随便看	water and soil conservation water and soil loss water and soil loss information system water and wastewater treatment engineering water apple water apple water aquifer water area water area environmental sanitary administration water area environmental sanitary level water area environmental sanitation water-ash ratio water aspirator water as production material water as refrigerant water atomizer water baby water backfill water bacteria water baffle water balance water balance water balance water balance water-balance plat

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。