它会改善心脏自身的血液供应，并减少室速的发生次数。
This may improve the blood supply to your heart and reduce the frequency of your ventricular tachycardia.
他精确地把那些细胞从他们的血液中抽离出来，在实验室的培养皿中让其增值数十亿倍，大到足以有可能制服一个肿瘤。
He literally pulled those cells out of their blood and grew billions more of them in laboratory dishes, enough to have a chance at overwhelming a tumor.
世卫组织建议，每个存在感染风险的国家应至少建立一个可进行基本的黄热病血液检验的国家实验室。
WHO recommends that every at-risk country have at least one national laboratory where basic yellow fever blood tests can be performed.
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