快筛 kuàishāi rapid diagnostic test Origin Definitions Defs Strokes Stroke Words Sentences Sents 快 kuài adverbadjective abbreviation of 快速 kuàisù fast fast; high-speed; rapid筛 篩 shāi abbreviation of 筛检 篩檢 shāijiǎn to screen to filter, test, or screen for something, such as diseases or defects