The ink funnels a patient's blood into tree-like channels, where several layers of treated paper react with the blood to create diagnostic colors.
这种墨水将会把患者的血样引导入类似树形的通道中，在这些通道中血液将会与已经过处理的数层纸张进行反应从而产生相应的可供诊断的颜色。
Diazoxide is known to activate potassium channels and was used decades ago to treat high blood pressure.
氯甲苯噻嗪能激活钾离子通道，数十年前就用于治疗高血压。
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