avascular的音標為["?v?s?k?l?r] ，基本翻譯為“無血管的”，速記技巧為：用a表示“無”。

“avascular”這個詞的英文詞源可以追溯到拉丁語“a”表示“無”和“vascular”表示“血管的”。它的意思是“無血管的”或“沒有血管的”。

變化形式：通常以復數形式“avascularity”出現。

相關單詞：

1. “ischaemia” - 缺血，由于缺乏血液供應而導致的組織損傷。

2. “angiogenesis” - 血管生成，指新的血管在生物體內部形成的過程。

3. “lymphangiogenesis” - 淋巴管形成，指淋巴管的新生或再生。

4. “neovascularization” - 新生血管，指在組織中形成新的血管系統。

5. “hypovascular” - 血供不足的，指組織或器官缺乏足夠的血液供應。

6. “arteriolarization” - 動脈化，指向血管系統中引入動脈的過程。

7. “angioma” - 血管瘤，一種良性腫瘤，由新生血管組成。

8. “angiogenesis inhibitors” - 血管生成抑制劑，指阻止或減緩血管生成的藥物或物質。

9. “lymphangioma” - 淋巴管瘤，一種良性腫瘤，由淋巴管組成。

10. “neovascularization therapy” - 新生血管治療，指通過治療手段改善組織的新生血管系統。

以上單詞都與“avascular”這個詞有直接或間接的關系，描述了與血管相關的生理和病理過程。

短語：

1. avascular necrosis

2. vascular supply

3. vascular system

4. vascular disease

5. vascular network

6. vascular pathology

7. vascular disorder

例句：

1. The patient suffered from avascular necrosis of the femur head.

2. The tumor has a rich vascular supply, which requires careful monitoring.

3. The vascular system of the human body is complex and vital for survival.

4. Vascular disease is a leading cause of death worldwide.

5. The vascular network in the plant root system is crucial for nutrient uptake.

6. Vascular pathology is a common condition that requires medical attention.

7. The vascular disorder causes pain and discomfort in the patient"s limbs.

英文小作文：

Vascular System: The Vital Pillars of Life

The vascular system is a crucial component of the human body, providing oxygen and nutrients to cells and transporting waste products away from them. It is composed of blood vessels that form a network throughout the body, connecting all organs and tissues, ensuring their proper functioning. From the smallest capillaries in the skin to the large arteries and veins of the heart and lungs, the vascular system is a complex yet beautiful network that keeps us alive. Vascular diseases such as heart disease and stroke are among the leading causes of death worldwide, highlighting the importance of maintaining a healthy vascular system. Understanding the role of the vascular system and how it functions is essential for maintaining good health and preventing vascular diseases.