That explosion was triggered by an accumulation of gas in an unventilated tunnel.

爆炸是由于瓦斯气体在通风不良的矿井中聚集而产生的。

In may, he said, miners were dismayed to discover that 59 mules had died from unventilated mine gas.

他说，五月份矿工们很沮丧地发现，有59头骡子在没有通风的矿井里死了。

Thus it was this time not heaven, but the upper space of an unventilated concert-hall, that sent down snow.

于是，尽管这个大厅并不是露天的建筑，这个密闭的音乐厅里竟然出现了雪花飞舞的奇观。

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，在不透风的空间里，时间长了，会影响健康，出现过敏、哮喘等症状。

Some people criticized the passenger cabins for being hot and unventilated; others complained that the food in the area is too expensive.

有些人批评车厢闷热不通风，有些人则抱怨附近的饮食价格太高。

About 32 percent of women Fried foods in boiling oil in unventilated kitchens and about 25 percent of women's bedrooms were adjacent to2 the kitchen.

约莫32%的女性在滚开的油里煎炸食物而厨房却密不通风。而约莫25%的女性居住的卧室紧邻厨房。

Rather, parents have taken instead to sending their children to school every day with their own coal burners to stay warm in the often frigid, unventilated classrooms.

与之相反，倒是父母们每天提着家里的煤炉送孩子去学校，这样能使冰冷，通风不畅的教室里暖和一些。

What triggers the explosion could be the overheated battery caused by extremely high temperature magnified by the windshield (glass) and the sealed (unventilated) vehicle cabin.

挡风玻璃以及封闭(不通风)的车厢放大了极端高温的影响，造成了电池过热，引发了爆炸。