旧的路径，他说，会延迟胸外按压，而后者是保持血液循环的关键。

The old approach, he says, was causing delays in chest compressions, which are crucial for keeping the blood circulating.

youdao

例如，肤色给我们关于血液循环的微妙线索，而体重也告诉我们他们更易于呼吸感染。

Skin tone, for example, gives us subtle clues about blood circulation, while weight also tells us that they are more predisposed to getting respiratory infections.

youdao

促进血液循环的食物包括牛肉、羊羔、禽畜、肝脏、新鲜水果、沙拉绿色、乳酪、全脂牛奶，和酸奶。

Foods that aid the circulation and have blood-making properties include beef, lamb, poultry, liver, fresh fruit, salad greens, cheese, whole milk, and yogurt.

youdao

Now, we're not thinking about total antibody concentration because you already have a lot of antibodies circulating within your blood and in your fluids.

现在,我们先不考虑抗体总浓度,因为你的体内已存在许多抗体,在血液以及体液中循环

耶鲁公开课 - 生物医学工程探索课程节选

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, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.

因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选