nausea and vomiting
collocation恶心和呕吐
The medication can cause nausea and vomiting.
这种药物可能引起恶心和呕吐。
呕吐；呕吐物
呕吐的行为或呕吐物；胃内容物经口腔排出的反射动作；呕吐；[医] 呕吐
the act or reflex of ejecting the contents of the stomach through the mouth; also, the matter vomited
呕吐的行为或呕吐物
The act of one who vomits, or the matter that is vomited.
胃内容物经口腔排出的反射动作
the reflex act of ejecting the contents of the stomach through the mouth
The vomiting stopped after she drank some water and lay down.
她喝了些水并躺下后，呕吐停止了。
用法提示：vomiting 作名词，指呕吐这一动作，在句中作主语。
He tried to hide his vomiting from the other passengers.
他试图对其他乘客隐瞒自己呕吐的事。
用法提示：vomiting 是名词，表示呕吐行为，这里作 hide 的宾语。
The nurse asked about the vomiting and wrote down the details.
护士询问了呕吐情况并记下了细节。
用法提示：vomiting 为名词，指呕吐症状，在句中作 about 的宾语。
正式/医学术语，口语中几乎不用；在病历或学术语境可替代 vomiting。
指胃内容物回流至口腔，通常不伴恶心和强力喷射，不能完全替代 vomiting。
非正式用语，语气较粗俗，正式写作不宜使用。
口语常用，比 vomiting 随便；作为动词短语的动名词可作名词性成分。
俚语，语气轻率或诙谐，正式场合应避免使用。
在‘呕吐（胃内容物经口腔排出的反射动作）’这一义项下，相反行为是‘进食（将食物摄入体内）’。注意两者非完全对等：呕吐多为不自主反射，进食为主动行为；且可能连续发生，不能简单互换。
恶心和呕吐
The medication can cause nausea and vomiting.
这种药物可能引起恶心和呕吐。
剧烈呕吐
Severe vomiting can lead to dehydration.
剧烈呕吐会导致脱水。
喷射性呕吐
Projectile vomiting in infants requires immediate medical attention.
婴儿喷射性呕吐需要立即就医。
持续性呕吐
Persistent vomiting is a warning sign of several conditions.
持续性呕吐是多种疾病的警示信号。
催吐
Do not induce vomiting after swallowing a corrosive substance.
吞下腐蚀性物质后不要催吐。
呕吐反射
The vomiting reflex is triggered by the brain.
呕吐反射由大脑触发。
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常与呕吐同时出现，是呕吐前常见的感觉。
呕吐是胃内容物经口腔排出的过程，与胃直接相关。
频繁呕吐可能导致体液流失，进而引发脱水。
胃肠炎是引起呕吐的常见疾病之一。
食物中毒常以呕吐为典型症状之一。
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Dictionary facts from ECDICT, WIKTIONARY.