sputum

n [U] (fml or medical 文或医) liquid and mucus coughed up from the throat or lungs (esp as used to diagnose some diseases); saliva or spittle 痰（尤指可作诊断依据的）; 唾液; 口水.

spry, spryly, spryness, spud, spud-bashing, spume, spun, spun glass, spun silk, spun sugar, spunk, spunky, spur, spurious, spuriously, spuriousness, spurn, spurt, sputnik, sputter, spy, spy-glass, spyglass, Sq, Sqn Ldr, squab, squabble, squad, squad car, squaddie (also squaddy), squadron, squadron leader, squalid, squalidly, squall, squally, squalor, squander, squanderer, square,