cough和have acough 怎么使用

cough和have acough 怎么使用

Graham began to cough violently. （动词）
格雷厄姆开始剧烈地咳嗽。
Coughs and sneezes spread infections much faster in a warm atmosphere. （名词）
咳嗽和喷嚏在温暖的空气里传播疾病快得多。
If they have a cough, they will be asked to provide a sample of sputum, which will be tested forevidence of TB.
如果他们有咳嗽，请他们提供痰的样本，将检验是否有结核证据。

cough
英 [kɒf] 美 [kɔf]
n. 咳嗽，咳嗽声；咳嗽病；vt. 咳出；vi. 咳嗽
n. (Cough)人名；(英)考夫
vi.
1.咳，咳嗽：Cover your mouth when you cough.咳嗽时要捂上嘴。
2.发出咳嗽似的声音；发出嘎嘎声：
The engine began to cough on the hill.在山坡上引擎发出嘎嘎的爆发声。
vt.
1.咳出(常与 up 连用)：She coughed blood again this morning.今天早晨她又咳血了。He coughed up some drops of blood.他咳出了几滴血。
2.[俚语]付出：
You'll have to cough up three dollars for that ticket.你买那张票需付三美元。
3.[俚语]吐露：
He coughed up all he knew.他把他所知道的一切情况都讲出来了。
n.
1.咳嗽，咳嗽声
2.咳嗽病
3.咳嗽似的声音
而have a cough是谓语+宾语，里面的cough是个名词。