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字词 肺静脉
释义 肺静脉fèijìngmài从肺向心输送血液的血管,从左右两肺各发出两条,进入左心房。肺静脉中的血液含有氧气,颜色鲜红。{pulmonary vein; two vessels conveying blood from the left and right lungs respectively to the left atrium of the heart. Blood in the pulmonary veins contains oxygen and is bright red.}
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