名词
中文翻译：Unknown
同义词：
['vomit', 'gag', 'retch', 'heave up']
例句：
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1.She felt nauseous and had topurk her stomach.
她感到恶心，不得不呕吐。
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2. The patient was vomiting bloodafter the surgery.
手术后，病人在呕吐血。
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3.He retched up everything he ate, feeling sick to his stomach.
他吐了所有吃的东西，感觉胃里不舒服。