单词	nucleus-- even-mass
释义	nucleus， even-mass偶质量数核
随便看	helium-water heat--exchanger helium ⅰ helium ⅱ helium、he helium-３ maser helium｛=he｝ helius attenuatus helius barbatus helius chikuriensis helius (eurhamphida) inelegans helius (eurhamphida) perelegans helius (helius) attenuatus helius (helius) barbatus helius (helius) chikuriensis helius (helius) liliputanus helius (helius) minusculus helius (helius) nigriceps helius (helius) rufithorax helius (helius) subfasciatus helius (helius) tenuistylus helius (helius) unicolor helius inelegans helius liliputanus helius minusculus helius nigriceps