名词
中文翻译：上级静脉
同义词：
['superior vena cava', 'superior vena cava例句：1. The superior vena cava is the main vein that carries blood from the heart to the lungs.（上腔静脉是输送血液从心脏到肺部的主要静脉。）']
例句：
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1. The superior vena cava is the main vein that carries blood from the heart to the lungs.
上腔静脉是输送血液从心脏到肺部的主要静脉。
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2.During surgery, the surgeon must carefully map out the superior vena cava to avoid damaging it.
在手术中，外科医生必须仔细绘制上腔静脉的地图，以避免损伤它。
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3. The superior vena cava is a crucial structure for the body's circulation system.
上腔静脉是身体循环系统的关键结构。