伪阳性 wěiyángxìng false positive Origin Definitions Defs Strokes Stroke Words Sentences Sents 伪 偽 wěi nounverb false (bound form) false; fake; forged; bogus; pseudo-阳性 陽性 yángxìng adjective positive (medical) (of a medical test or result) positive; showing the presence of a specific condition, pathogen, or reaction