分子杂交 fēnzǐzájiāo molecular hybridization Origin Definitions Defs Strokes Stroke Words Sentences Sents 分子 fēnzǐ noun molecule The smallest unit of a chemical compound that retains its chemical properties.杂交 雜交 zájiāo to hybridize to hybridize, crossbreed, or cross-fertilize plants or animals of different varieties or species