Local hospitals were overwhelmed with the casualties and an urgent appeal has been put out for blood donors. Many of those injured are in critical condition.

当地医院挤满了受伤的人，医院紧急呼吁人们献血，很多伤者伤势严重。

youdao

For this reason, there are tests to find out if blood contains viruses that cause AIDS and other diseases.

由于这个原因，有一些测试可以发现血液中是否含有引起艾滋病和其他疾病的病毒。

youdao

She shifted her box and poked out a hand for me to shake -- blood red nails, I

西莉亚换了个手提盒子，伸出一只手，希望与我握手——我注意到她的手指甲涂成血红色。 皮肤非常冰冷。

youdao

The way, in the simplest terms that cyanide can kill you, is it basically out-competes your oxygen for the heme in your blood.

氰化物可以杀掉你的最简单的一种方式基本上就是，将氧从你血液中,的血红素中挤出去。

麻省理工公开课 - 化学原理课程节选

There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选