They found that in unventilated spaces levels can build up and, over time, cause health problems such as allergies and asthma.
研究表明，在不透风的空，了，健康，出现过敏、哮喘等症状。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
The unventilated, deafening carpet workshops where labourers were sometimes chained to the looms and locked in at night.
在通风不良、震耳欲聋的地毯车间，工人们有时被在织布机上，晚上被在里面。
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.
这是一群退休人员、研究生半成功的商人，他们花一起在一个不通风的地下室里度过周六的早晨。
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划词翻译
详细解释
，
了，
健康，出现过敏、哮喘等症状。
学人（汇总） 
在织布机上，晚上被
半成功的商人，他们花
一起在一个
