expectorates的读音 expectorates中文意思

读音 
v. 咳出,吐痰( expectorate的第三人称单数 )
expectorates 用法和例句
The patient coughs very often and expectorates foul-smelling grayish sputum .
这个病人常常咳嗽,并且吐出灰色的臭痰。