名词
中文翻译：静脉
同义词：
['vein', 'artery', 'blood vessel']
例句：
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1. Thevein in my arm is swollen and painful.
我手臂上的静脉肿胀且疼痛。
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2. Blood vessels are responsible for transporting oxygen and nutrients to the body's cells.
血管负责将氧气和养分输送到身体细胞。
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3. The doctor removed alarge vein from her leg to relieve thepain.
医生从她的腿上移除了一个大的静脉以缓解疼痛。