sputum

汉语翻译

词型变化：

英语解释：

名词 sputum:

1. expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
   同义词：phlegm

例句：

1. The old man tried to spit up sputum, but he could not.
   这老人想把痰咯出来但他不能。