First, blood stem cells are extracted from the donor.

首先，从供者的体内采集造血干细胞。

Major cancer breakthrough as world's first blood test can detect 50 types of disease.

世界上首个可以检测出 50 种疾病的血液检测技术在癌症检测方面取得重大突破。

And you know the rule. You draw first blood...No! No way! I'm not shaking his hand.

你知道规矩 第一个动手的不 不要 我不要跟他握手。

It was the first blood moon of 2022 and you can expect roughly two more this year.

这是2022年的第一个血月，预计今年还会有大约两个血月。

And you know the rule. You draw first blood...

可到底是你... 先动的手。

First, blood comes into the atria and then passively flows into the ventricles.

首先，血液进入心房，然后被动地流入心室。

This is from the Express. Major cancer breakthrough as world's first blood test can detect fifty types of disease.

这是来自快递。癌症重大突破，世界上第一个血液检测可以检测出五十种疾病。

Scientists in Australia say they have developed the world's first blood test to find a deadly skin cancer in its early stages.

澳大利亚科学家表示，他们已研发出世界上首个诊断早期致命皮肤癌的血液检测法。

Paul crouched at the ready and, as he had been trained to do after first blood, called out: " Do you yield? " " Hah! " Jamis cried.

保罗蹲下准备好，就像他在第一次流血后被训练的那样，大声喊道：“你屈服了吗？” “哈！”贾米斯哭了。

Yes, and take note, we can put world first before or after the noun, for example, we can say a world first blood test or we can say this blood test is a world first.

是的，请注意，我们可以把 world first 放在名词的前面或后面，例如，我们可以说世界首例血液检测，或者我们可以说这种血液检测是世界首例。

Just as an aside, I should say that it took 28 years—this is sometimes how it works in medicine—from our earliest paper in science in this area until the FDA approved the first blood vessel inhibitor.

顺便说一句，我想说的是，从我们在这个领域最早的科学论文到获得食品药品监督管理局批准第一个血管抑制剂，我们花了28年的时间——有时在医学上的研究工作所花费的时间就是如此。