名词
中文翻译：静脉
同义词：
['veins', 'arteries', 'capillaries例句：1. The veins in the skin are responsible for carrying blood away from the heart.（皮肤中的静脉负责将血液从心脏运走。）']
例句：
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1. The veins in the skin are responsible for carrying blood away from the heart.
皮肤中的静脉负责将血液从心脏运走。
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2.Blood flows through the veins to reach the heart.
血液通过静脉流向心脏。
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3. The veins in the arm were swollen due to an infection.
手臂的静脉因为感染而肿胀。