名词
中文翻译：静脉
同义词：
['veins', 'arteries', 'capillaries']
例句：
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1.Blood vessels are essential for the proper functioning of the body's organs.
血液血管对于身体器官的正常运作至关重要。
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2.The veins in the skin carry blood away from the surface to the heart.
皮肤中的静脉将血液从表面输送到心脏。
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3.The doctor examined her veins and found no signs of injury.
医生检查了她的静脉，没有发现任何受伤的迹象。