expectorate
/ekˈspektəreɪt/verb
with obj.
- cough or spit out (phlegm) from the throat or lungs咳出（痰）。
派生词
expectoration
noun词源
early 17th cent. （in the sense 'enable sputum to be coughed up', referring to medicine）： from Latin expectorat- 'expelled from the chest', from the verb expectorare, from ex- 'out'+pectus, pector- 'breast'.