The doors are pervious to wind.
那些门风。
The doors are pervious to wind.
那些门风。
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,风的空间里,时间长了,会影响健康,出现
敏、哮喘等症状。
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代表本软件的观点;若发现问题,欢迎向我们指正。