单词	[生命]必要元素
释义	[生命]必要元素essential element
随便看	processing yard processing， aqueous processing， chemlcal processing， data processing， fuel processing， pyrochemical processing， radiation processing， radioactive processing， treatment process initiation process ink process inks process innovation process input/output process input/output channel process input/output subroutine package process input/output，pio process inspection process instability process instance process instruction process instrumentation process--instrumentation process instruments digital communication system process instruments digital communication system，pidcom