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.
🗣️ 情景例句
Take care of yourself.
多保重。
I wrote to my uncle last night.I couldn't put it off any longer.