静脉曲张其实就是肿胀的静脉，这是由腿部和脚部的血量增加和压力引起的。

Varicose veins are really just swollen veins and are caused by increased blood volume and pressure on the legs and feet.

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当下肢静脉中的血凝块（来自深静脉血栓形成）脱落并通过身体移动到肺部，在那里沉积和阻塞血流时，就发生血栓栓塞。

Thromboembolism occurs when a blood clot (from a deep vein thrombosis) in a leg vein breaks off and travels through the body to the lungs where it becomes lodged and blocks blood flow.

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静脉血栓栓塞的两种最常见表现是深静脉血栓形成和肺栓塞。

The two most common manifestations of VTE are deep vein thrombosis and pulmonary embolism.

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Dudley offered a prayer, he told the boy his time had come, and he killed him with a pen knife, stabbing him in the jugular vein.

达德利为派克做了祷告，并告诉派克他的时辰到了，然后就用小刀割破他的颈静脉杀死了他。

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