这个我们以前也学过的,应该读：[kɔf]
名词 n.
1.咳嗽[C]
His cough had slackened,but his nose was still running.
他的咳嗽减弱了,但还在流鼻涕.
2.咳嗽病[S]
The old lady had a bad cough.
老太太咳得很厉害.
3.咳嗽声[C]
不及物动词 vi.
1.咳,咳嗽
2.(引擎)等发出噗噗声
The truck came coughing up the road.
卡车沿着公路噗哧噗哧地开过来.
The engine coughed and died.
引擎噗噗响了几声就熄火了.
及物动词 vt.
1.咳,咳出[(+up)]
He coughed up some drops of blood.
他咳出了几滴血.
2.咳得使[O8][O]
She coughed herself hoarse.
她咳得嗓子都沙哑了.