expectorant
noun /ɪkˈspektərənt/
/ɪkˈspektərənt/
(medical- a cough medicine that helps you to get rid of phlegm (= a thick substance) from the lungs
祛痰药 词源mid 18th cent.: from Latin expectorant- ‘expelling from the chest’, from the verb expectorare, from ex- ‘out’ + pectus, pector- ‘breast’.