B2 中高级 English 6:33 678 单词 Animation

Why was bloodletting so popular? - Stephanie Honchell Smith

TED-Ed · 269,908 次观看 · Added 3 小时前

Learning Stats

B2

CEFR 等级

678

Total Words

401

Unique Words

6/10

难度

Vocabulary Diversity 59%

字幕 (84 segments)

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00:06

On December 14th, 1799,

00:10

former US President George Washington woke struggling for breath,

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his throat searing with pain.

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He died later that day,

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from what’s suspected to have been a badly infected epiglottis,

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but not before he was prescribed an enema, steam therapy,

00:29

and rigorous bloodletting.

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During four bleeding sessions, Washington lost approximately two liters—

00:38

roughly 40%— of his body’s blood supply.

Full subtitles available in the video player

Key Vocabulary (15)

blood B2 adjective

As an adjective or noun adjunct, it describes something relating to, consisting of, or conveying the life-sustaining fluid in the body. It is frequently used to specify medical tests, familial relationships, or physiological functions.

century A1 noun

A century is a period of 100 years. It is a common unit of time used to group historical events and long durations.

"The century is important."

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