sputum

漢語翻譯

詞型變化：

英文解釋：

名詞 sputum:

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

例句：

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