ultramicrochemistry / ˌʌl trəˌmaɪ kroʊˈkɛm ə stri /

📖毕业后词汇超微化学超微化學超微化学超声化学

ultramicrochemistry 的定义

n. 名词 noun
  1. the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.