免疫血清 miǎnyìxuèqīng immune serum Origin Definitions Defs Strokes Stroke Words Sentences Sents 免疫 miǎnyì adjectivenoun immunity Biological resistance to a specific disease, pathogen, or toxin; to be immune血清 xuèqīng serum blood serum; the pale yellow liquid that remains after blood has clotted and the solid parts are removed