核子 hézǐ nuclear Origin Definitions Defs Strokes Stroke Words Sentences Sents 核子医学 hézǐyīxué nuclear medicine (Taiwan) nuclear medicine欧洲核子中心 ōuzhōu Hézǐ Zhōngxīn CERN European Organization for Nuclear Research (CERN), located in Geneva欧洲核子研究中心 ōuzhōu Hézǐ Yánjiū Zhōngxīn CERN European Organization for Nuclear Research (CERN), located in Geneva