In the case of doctors, that meant bleeding their patients.

就医生而言，这意味着为病人放血。

" That'll purge me, " he urged as an objection to all reasoning.

" 放血就不痒了。" 用人什么意见也听不进去。

To correct the balance of these fluids, doctors employed dangerous treatments like bloodletting and purging.

为了矫正这四体液的平衡，医生采用了放血和净化等危险的治疗方法。

But here's the thing: Why was bloodletting so popular in so many places for so long?

为什么这么长时间以来，放血在那么多地方如此流行？

Physicians would try any desperate measure, bloodletting was tried, leeches were used, but none seemed to work.

内科医生用尽各权之计，尝试过放血 水蛭吸血等方法 但没有一方法得见起效。

Relax. I didn't kill anyone for it. This phlebotomist I went out with a few times, he's my supplier.

别张。我没为了它杀人。我和这个放血医师约会过几次，他是我的供货商。

Therapeutic phlebotomy or bloodletting can be used to manage iron overload, as well as deferoxamine, an iron chelating agent.

治疗切开术或放血疗法可用于治疗铁超负荷，也可使用铁螯合剂去铁胺。

It is not clear that such bloodletting is required.

目前尚不清楚是否需要这样的放血。

Some seem strange now, like the bloodletting tools.

有些现在看起来很奇怪，比如放血工具。

Bloodletting, purging, fasting -- they were all well-regarded treatments.

放血、通便、断食——这些都是备受推崇的治疗方法。

Scenes depicting ritual bloodletting as well as parades of musicians hint at a complex culture that fascinates us to this day.

描绘放血仪式和乐师游行的场景暗示了一复杂的文化，至今仍吸引着我们。

First, the chosen ones had to complete a four-day fasting and bloodletting ritual.

首先， 被选中的人必须完成为期四天的禁食和放血仪式。

The doctor prescribed leeches, mustard-poultices, and calomel, and ordered him to be bled.

医生开了水蛭、芥末膏和甘汞的处方，并命令他放血。

For 3,000 years, people have been cut or given leeches to let out the blood because they thought that would make people better.

在长达3000年的时间里，人们划破皮肤放血或使用水蛭吸血，因为他们认为放血能够改善他们的身体。

Between the breach and the bloodletting, it quickly ran out of nitrogen.

先是泄漏，再是放血，我的氮气罐早已空了。

When he fell sick several days later, he had a doctor bleed him.

【bleed】几天后他病倒了，就让一个医生给他做放血治疗。

The suit saw this problem and moved into an emergency mode the engineers call " bloodletting."

太空服对这个事态作出的反应就是切换到应急模式，工程师们称之为“放血”。

One study showed therapeutic blood letting improved biomarkers for patients with non-alcoholic fatty liver disease, a condition that commonly appears with diabetes.

一项研究表明，治疗放血改善了非酒精脂肪肝患者的生物标记。非酒精脂肪肝通常出现在糖尿病患者身上。

Even today, we still use urine to diagnose people, but we don't usually recommend bloodletting, which was the most common treatment of the middle ages.

即使在今天，我们仍然用尿液来诊断人，但是我们通常不建议放血——这是中世纪最常见的治疗方法。

" You will scarcely feel, probably, a slight pain; it is a simple prick, like a little blood-letting, less than the extraction of certain corns" .

" 你也许不会觉得痛；就像放血一样扎一下，恐怕比除老茧还方便呢。"