动词
中文翻译：静脉
同义词：
['vein', 'artery', 'blood vessel例句：1. The doctor examined her veins to check for any swelling or pain.（医生检查了她的静脉，以检查是否有肿胀或疼痛。）2. Blood vessels are responsible for transporting oxygen and nutrients throughout the body.（血管负责将氧气和营养物质输送到整个身体。）3. Veins are thinner than arteries and carry less blood', "but they still play a crucial role in the body's circulation system.（静脉比动脉细，携带的血液较少，但它们在身体的循环系统中仍然起着至关重要的作用。）"]
例句：
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1. The doctor examined her veins to check for any swelling or pain.
医生检查了她的静脉，以检查是否有肿胀或疼痛。
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2. Blood vessels are responsible for transporting oxygen and nutrients throughout the body.
血管负责将氧气和营养物质输送到整个身体。
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3. Veins are thinner than arteries and carry less blood, but they still play a crucial role in the body's circulation system.
静脉比动脉细，携带的血液较少，但它们在身体的循环系统中仍然起着至关重要的作用。