They found that in unventilated spaces levels can build up and, over time, cause health problems such as allergies and asthma.
研究，不透风的空间里，时间了，会影响健康，出现过、等症状。
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The unventilated, deafening carpet workshops where labourers were sometimes chained to the looms and locked in at night.
风不良、震耳欲聋地毯车间，工们有时被织布机上，晚上被里面。
This was a group of retired folks, graduate students and semi-successful business people who were paying money to spend their Saturday mornings in an unventilated basement with me.
这是一群退休员、研究生和半成功，他们花钱和我一起一个不风地下室里度过周六早晨。
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划词翻译
详细解释
，
不透风的空间里，时间
了，会影响健康，出现过
、
等症状。
（汇
） 
风
地毯车间，工
们有时被
一个
风
