单词	大[型]交换
释义	大[型]交换gross-austausch
随便看	positron--emitter positron emitter neucleus positronemitting positron emitting radiopharmaceuticals positron emitting radiopharmaceuticals {=pers} positron emitting radiopharmaceuticals {pers} positronemitting--substance positronium positronium chemistry positroniums positronium，singlet positronium，triplet positron lifetime spectrometer positron{position} positron;positon positron radiation positron radiator positrons positron scan positron spectroscope positrons radiator positron theory posits positve clutch positvie charge