vomit blood
collocation吐血；呕血
The patient began to vomit blood after the surgery.
手术后病人开始吐血。
呕吐；吐出
先理解核心含义，再看它在真实句子里的用法。
呕吐；吐出
to force out the contents of the stomach through the mouth
The smell was so bad that I almost vomited on the bus.
那气味太难闻了，我差点在公交车上吐了。
可作不及物或及物动词；作及物动词时后接所吐出的东西。
通过口腔反胃或排出胃内容物；呕吐
To regurgitate or eject the contents of the stomach through the mouth; puke.
反胃并排出(吞下的东西)；喷出
To regurgitate and discharge (something swallowed); to spew.
从任何空腔中排出；喷出；发出。
To eject from any hollow place; to belch forth; to emit.
vomit
Base
原形
vomits
3rd person
第三人称单数
vomiting
-ing
现在分词
vomited
Past
过去式
vomited
Past participle
过去分词
He vomits every morning.
他每天早上呕吐。
She vomited after the ride.
她乘车后吐了。
They have vomited twice.
他们已经吐了两次。
规则动词
She is vomiting because she ate something bad.
她因为吃了变质的东西，正在呕吐。
He vomits every time he rides a roller coaster.
他每次坐过山车都会呕吐。
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吐血；呕血
The patient began to vomit blood after the surgery.
手术后病人开始吐血。
剧烈呕吐
She vomited violently all night and had to be taken to hospital.
她整晚剧烈呕吐，不得不被送进医院。
使某人呕吐
The smell of the chemical made him vomit immediately.
那股化学药品的气味立刻让他呕吐。
觉得恶心；想吐
I felt like vomiting when I saw the disgusting scene.
看到那恶心的场面时，我感觉想吐。
吐出（胃内容物）
The sick child vomited up everything he had eaten for breakfast.
那个生病的孩子把早餐吃的东西全都吐了出来。
喷出；冒出
The volcano vomited out ash and smoke.
火山喷出了灰烬和烟雾。
狗转回自己所吐的，愚昧人重蹈自己的愚行。
The smell in the kitchen was so awful that it made me want to vomit.
厨房里的气味太难闻了，让我想吐。
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联想：'v'像张开的嘴，'omit'是'省去'，想象把胃里的东西省去排出——呕吐。
语域：neutral 常见场景：medical settings、news reports、everyday conversation vomit 是中性词，医疗、书面和日常描述中都比较常见；口语中更随意的说法常用 throw up 或 puke。
该动词既可作及物动词（如：vomit blood 吐血），也可作不及物动词（如：He vomited. 他呕吐了）。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.