... 韩国顶级化妆品 marie laurencin 试药级化学药品reagent chemicals 原子结构学；超级化学 metachemistry ...
双语例句
1
A chemical produced in comparatively small quantities and in a relatively pure state. Pharmaceutical and biological products, perfumes, photographic chemicals, and reagentchemicals are examples.
产量相对较少和较纯态的化学品，例如医药和生物制品、香料、照相药品和试剂化学品。
2
All chemicals from commercial sources were of reagent grade and used without further purification.