来自拟声词根辅音丛 sp-,吐，喷出，比较 spate,spew,spit,spout,sputter.引申词义痰。

1. blood in the sputum

痰中的血丝

2. In disease states, it does appear in the sputum.

处于病态时, 它必然在痰中出现.

3. The sputum contains larvae and eosinophils.

痰中含有蛔蚴及嗜酸性细胞.

4. Examination of the sputum for neoplastic cells may establish the diagnosis in some cases.

检查痰中瘤细胞,可对某些病例作出诊断.

5. The onset is sudden with cough, rusty sputum, marked fever and rigors.

突然发病,咳嗽 、 咳铁锈痰, 高热及寒颤.