名词
中文翻译：血液
同义词：
['blood', 'blood cell', 'hemoglobin']
例句：
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1. Hemoglobin is the protein that carries oxygen in our blood.
血红蛋白是我们血液中携带氧气的蛋白质。
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2. The patient's hemoglobin level was low, indicating a need for transfusion.
患者的血红蛋白水平低，需要输血。
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3. Blood transfusions are essential for people with anemia or those who have lost a significant amount ofblood.
对于贫血患者或失血过多的人，输血是必要的。