名词
中文翻译：血管
同义词：
['veins', 'arteries', "capillaries例句：1. The doctor examined the patient's veins for signs of infection.（医生检查了患者的静脉，以寻找感染的迹象。）"]
例句：
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1. The doctor examined the patient's veins for signs of infection.
医生检查了患者的静脉，以寻找感染的迹象。
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2.Blood vessels are essential for the transportation of oxygen and nutrients to the body's cells.
血管对于输送氧气和营养物质到身体细胞至关重要。
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3. The skin is lined with tiny capillaries that help regulate body temperature.
皮肤上布满了微小的毛细血管，有助于调节体温。