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B1 中级 英语 4:36 Educational

Understanding COPD

Animated COPD Patient · 2,275,326 次观看 · 添加于 3 周前

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B1

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00:02

understanding chronic obstructive

00:04

pulmonary disease COPD chronic

00:07

obstructive pulmonary disease or COPD is

00:11

a lung disease that makes it difficult

00:13

to breathe COPD is a long-term disease

00:17

that often gets worse over time and is

00:19

characterized by inflammation and severe

00:22

limitation of airflow in and out of the

00:24

lungs COPD is an umbrella term used to

00:28

describe a group of breathing conditions

00:30

the most common being chronic bronchitis

00:32

and emphysema many people living with

00:36

COPD may have both emphysema and chronic

00:38

bronchitis a few people have both asthma

00:41

and COPD cigarette smoking is the

00:45

leading cause of COPD long-term exposure

00:49

to secondhand smoke or irritants such as

00:51

air pollution dust or workplace fumes

00:54

and biomass exposure such as wood smoke

00:57

can also contribute to COPD an uncommon

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