expectorate
vt.咳出vi.吐痰
英文释义
v. t. To eject from the trachea or lungs; to discharge, as phlegm or other matter, by coughing, hawking, and spitting; to spit forth.
v. i. To discharge matter from the lungs or throat by hawking and spitting; to spit.
词干
expectorate 咳痰,咳血
→ ex-, 向外。-pect, 胸,胸部,词源同pectoral. 即从胸中咳出去的,祛痰,咳血。
