单词	存大盼望
释义	同EXPECTATION
随便看	external quantum efficiency external quenched counter tube external quenching external quicksort external radial vein external radiation external--radiation external radiation source external radix sort external rash external rate external rate of return external ratio external reactance external recirculation boiling reactor external recombiners external recruitment external recycle external recycle reactor external reference external reference electrode external reference file external reference price external reference sample external reference，extrn