extravascular的音標為：[?k?str?v??z??k(?)l]，翻譯為“血管外的”。

速記技巧：extravascular是由詞根“extra-”和“-vascular”組成的，其中“extra-”表示“超過，額外”，“-vascular”表示“與血管有關的”。因此，extravascular的意思是“血管外的”。

extravascular這個詞來源于拉丁語“extra”和“vasculum”，意思是血管外的。它的變化形式包括“extravasate”和“extravasation”，前者表示血液從血管中滲出，后者表示血液外滲的過程。

相關單詞：

1. vascular - 詞根“vasculum”和“-al”構成了“vascular”，表示與血管相關的。

2. hemorrhage - “hemorrhage”意為出血，這個詞來源于拉丁語“haemorrhoide”和希臘語，表示血管破裂出血。

3. extrusion - “extrusion”意為擠壓或推出，這個詞來源于拉丁語“extra”和“rutere”，表示向外推或擠壓。

4. extrapolate - “extrapolate”意為推斷或外推，這個詞來源于拉丁語“extra”和“polligere”，表示超出已知的范圍進行推斷。

5. vascularization - “vascularization”意為血管化，這個詞由“vascular”和“ization”構成，表示血管的形成或生長。

以上這些單詞都與extravascular這個詞有直接或間接的聯系，它們都反映了人體血管系統的結構和功能。

短語：

1. extravascular space

2. extravascular fluid

3. extravascular blood

4. extravascular protein

5. extravascular edema

6. extravascular blood volume

7. extravascular lung water

例句：

1. The patient has a large amount of extravascular fluid, indicating severe edema.

2. The lungs of patients with heart failure often have an increase in extravascular lung water.

3. The blood volume in the extravascular space of the muscle tissue is an important indicator of tissue health.

4. Extravascular protein levels can be used to diagnose various diseases.

5. Extravascular edema is a common condition in patients with heart failure.

6. Understanding the role of the extravascular space in drug delivery is crucial for effective treatment.

英文小作文：

Extravascular space is an important component of the body"s circulatory system, playing a crucial role in maintaining tissue health and drug delivery. It is composed of interstitial fluid and blood cells that are not fully contained within blood vessels, allowing for exchange between the bloodstream and the surrounding tissue environment. Extravascular space provides a pathway for oxygen and nutrients to reach tissues, as well as waste products to be removed, ensuring proper cellular function.

However, excessive fluid accumulation in the extravascular space, known as edema, can lead to various health problems, such as heart failure and kidney disease. Understanding the factors that contribute to edema and developing effective treatment strategies that target the extravascular space holds great promise for improving patient outcomes.

On a more personal note, I have always been fascinated by the intricate mechanisms that keep our bodies functioning properly, and the extravascular space is no exception. It reminds me of the delicate balance that exists between life and death, and how understanding even the smallest parts of this complex system can lead to major breakthroughs in healthcare.