extravasation的音標為：英 [?ekstr??ve?s?e??n] 美 [?ekstr??ve?s?e??n]。

基本翻譯為“外滲；外溢”。

速記技巧為：extravasate（v.外滲；外溢）→ation（表示行為）。

例句：The drug extravasated in the tissue and caused tissue damage. 藥物滲漏到組織中并導致組織損傷。

extravasation這個詞的詞源可以追溯到拉丁語和希臘語，具體來說，它是由“extra”和“vasum”兩個詞組合而成的。其中，“extra”意為“超出”，“vasum”意為“容器”。因此，extravasation的含義就是指血液溢出血管，進入組織間隙。

extravasation的變化形式主要有詞形變化，比如在表示“滲出”這一含義時，通常會使用過去分詞extravasated或者現在分詞extravasating的形式。

相關單詞方面，與extravasation相關的詞匯有很多，例如：

1. vascular - 血管的，與extravasation形成對比，表示血管的正常功能。

2. hematoma - 血腫，一種由于血管破裂導致的組織腫脹。

3. oozing - 滲出，表示輕微的血液或液體流出。

4. exudate - 漏出物，通常指液體如體液或血液的漏出。

5. congestion - 淤血，表示血液在血管中積聚，可能由于血管壓力過大或血液流動受阻。

6. hemorrhage - 出血，表示大量的血液流出。

7. extrusion - 擠出，表示將物質從血管中擠出。

8. effusion - 滲出物，表示液體從體內滲出。

9. expanse - 擴展，可以用來描述血液或其他液體的溢出范圍。

10. ooziness - 滲出的性質或狀態，可以用來描述血液或其他液體的流動性。

extravasation的常用短語：

1. extravasate into the tissues 血管外滲入組織

2. extravasate blood 血液外滲

3. extravasate blood from the nose 鼻出血

4. extravasate blood from the skin 皮膚出血

5. extravasate into the brain 腦出血

6. extravasate into the lungs 肺出血

7. extravasate into the liver 肝出血

例句：

1. The patient"s blood began to extravasate from the arm after surgery. 手術后，病人的血液開始從手臂滲出。

2. The patient"s blood began to extravasate from the foot after a fall. 病人從高處跌落之后，血液開始從腳部滲出。

英文小作文：

Extravasation is a common medical condition that occurs when blood vessels in the body leak or break, allowing blood to leak outside of its normal location. It can occur in various parts of the body, including the arms, legs, lungs, liver, and brain. Extravasation can be painful and can lead to tissue damage and infection if not treated promptly.

In my experience as a medical student, I have seen several cases of extravasation during my rotations in different specialties. One of the most common scenarios was when a patient received an IV infusion of a medication that caused extravasation in their arm. The patient experienced severe pain and discomfort, and it took several hours for the medication to be flushed out of the arm and the pain to subside.

Fortunately, there are several ways to treat extravasation, including compression dressings, anti-inflammatory medications, and anticoagulants. By promptly recognizing and treating extravasation, patients can reduce the risk of long-term complications and improve their overall health outcomes.