名词
中文翻译：血液
同义词：
['blood', 'blood vessels', 'bloodstream']
例句：
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1. Hemoglobin is the protein in red blood cells that carries oxygen.
血红蛋白是红细胞中的蛋白质，负责携带氧气。
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2. Blood pressure is a measure of how high your blood pressure is.
血压是衡量你的血压高低的指标。
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3. The doctor ordered him to rest and drink plenty of water.
医生嘱咐他休息并多喝水。