expectorate

汉语翻译

vt. 咳出
vi. 吐痰

词型变化：

名词:expectoration 动词过去式:expectorated 过去分词:expectorated 现在分词:expectorating 第三人称单数:expectorates 

英语解释：

动词 expectorate:

1. clear out the chest and lungs
   同义词：clear out, drive out
2. discharge (phlegm or sputum) from the lungs and out of the mouth
   同义词：cough up, cough out, spit up, spit out

例句：

1. In cases of tuberculosis blood is expectorated.
   肺结核病有咯血症状。

详细解释：

ex.pec.to.rate

v.（动词）
ex.pec.to.rat.ed,ex.pec.to.rat.ing,ex.pec.to.rates
v.tr.（及物动词）
To eject from the mouth; spit.
吐：从嘴里吐出；吐出
To cough up and eject by spitting.
咳出并吐掉
v.intr.（不及物动词）
To spit.
吐出
To clear out the chest and lungs by coughing up and spitting out matter.
通过咳和吐出的办法清理胸和肺

来源：
Latin expector3re expector3t- [to drive from the chest]
拉丁语 expector3re expector3t- [从胸中清出]
ex- [ex-]
ex- [前缀，表.出自….]
pectus pector- [chest]
pectus pector- [胸]

【引伸】
expec.tora.tion
n.（名词）