haematemesis

haematemesis的音标为[ˌhæməˈtemiːzɪs]，基本翻译为“呕血”，速记技巧为“haem（血）+emesis（呕吐）”。

haematemesis这个词源自希腊语，意为“血液回流”。它的词源中包含了“血液”和“回流”两个概念。

变化形式：在英语中，haematemesis通常使用复数形式，即haematemeses。

相关单词：

1. hematochezia：血便 - 这个词由“血液”和“大便”两个词组成，表示出血性大便。

2. anaemia：贫血 - 这个词源自希腊语中的“没有血液”，表示体内缺乏红细胞或血红蛋白的血液状况。

3. ecchymosis：瘀斑 - 这个词由“瘀血”和“斑点”两个词组成，表示皮肤上因出血而形成的斑点。

4. haematology：血液学 - 这个词由“血液”和“学科”两个词组成，是研究血液和血液相关疾病的学科。

5. haematopea：贫血性 - 这个词表示与贫血相关的症状或状况。

6. haematemesis-induced：因血液回流导致的 - 这是一个后缀，表示由haematemesis引起的某种状况或疾病。

7. hyperhaemia：过度充血 - 这个词表示血液过度充盈的状况。

8. haematemesis-related：与血液回流相关的 - 这也是一个后缀，表示与haematemesis有关联的某种状况或疾病。

9. haematemetria：血便测试 - 这个词表示对血便的检测或评估。

10. haematemetic：血液回流相关的 - 这是一个形容词后缀，表示与血液回流有关的某种特性或状况。

以上这些单词都与血液回流有关，反映了医学和生物学领域的丰富词汇。

常用短语：

1. blood vomiting

2. hematemesis

3. vomit blood

4. vomit up blood

5. bloody vomit

6. vomit up blood (with)

7. vomit up blood (without)

双语例句：

1. She was taken to the hospital after experiencing hematemesis. （她因呕血被送往医院。）

2. The patient had bloody vomit and was diagnosed with gastric ulcer. （患者呕血并被诊断为胃溃疡。）

3. After drinking a large amount of alcohol, he vomited blood and was taken to the emergency room. （他大量饮酒后呕血并被送往急诊室。）

4. Hematemesis is a common sign of gastric bleeding, which can be caused by various reasons such as gastric ulcer or gastric cancer. （呕血是胃出血的常见症状，可能是由胃溃疡或胃癌等不同原因引起的。）

5. After eating a heavy meal, he experienced hematemesis and was advised to take medication regularly. （他吃完一顿丰盛的饭后呕血，并被建议定期服用药物。）

6. The patient vomited blood and was advised to rest for a few days to avoid further complications. （患者呕血并被建议休息几天以避免进一步恶化。）

7. After experiencing hematemesis for several days, the patient was diagnosed with gastric ulcer and prescribed medication. （经过几天的呕血，患者被诊断为胃溃疡并被开药治疗。）

英文小作文：

Vomiting blood is a very unpleasant experience that can be frightening and worrying. It is important to seek medical attention promptly when experiencing hematemesis because it can be a sign of serious illnesses such as gastric ulcer or gastric cancer. However, if you are experiencing hematemesis, it is also essential to maintain a calm and composed demeanor to avoid further complications and distress. I hope this experience will never happen to you, but if it does, please remember to seek medical attention promptly and remain calm during this distressing time.