Expectoration

[ɪk,spɛktə'reʃən]

解释:

(noun.) the process of coughing up and spitting out.

迪莉娅编辑--From WordNet

解释:

(n.) The act of ejecting phlegm or mucus from the throat or lungs, by coughing, hawking, and spitting.

(n.) That which is expectorated, as phlegm or mucus.

乔校对