马拉维确保全球提供安全血液工作的核心是逐步走向100%的定期自愿、无偿献血制度。

At the heart of Malawi's efforts to ensure universal access to safe blood was the move to a system of 100% regular voluntary, unpaid blood donors.

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前列腺素也可以造成心脏，肾和血液工作的更好。但是存在一个问题。阿司匹林会阻止所有前列腺素的运转，好的和坏的。

Prostaglandins also make the heart, kidneys and blood vessels work well. But there is a problem. Aspirin works against all prostaglandins, good and bad.

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新的规则要求血液中心开发更多的方法来确保他们的工作可正确地实施。

The new rules call for blood centres to develop more ways to make sure their work is done correctly.

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The circulatory system which we'll talk about in a couple of weeks, the heart, the blood vessels, and the blood work together to form a totally internal function.

例如过几周我们要讲的循环系统,心脏,血管,血液,三者协同工作,形成一个完全在体内发挥作用的体系

耶鲁公开课 - 生物医学工程探索课程节选

So, that particular sub unit vaccine was only used in people that are at high risk for acquiring Hepatitis B, that is, people that work in healthcare situations that are exposed to blood routinely as part of their job.

因此,那些特殊的亚基疫苗当时仅用于,极有可能感染乙肝的高危病人身上,也就是那些在日常工作中,频繁的接触血液的健康护理人员

耶鲁公开课 - 生物医学工程探索课程节选