As offices and homes often have inadequate ventilation, these chemicals can build up to become health nuisances.

由于办公室和住家往往通风不良，这些化学物质会愈积愈多进而成为危害健康的物质。

youdao

Researchers have discovered the vast underground colonies where up to seven million of the insects live have their very own in-built ventilation shafts.

研究人员发现了蚂蚁在地下的居住区。里面有700万只蚂蚁住在它们自己造的通风洞穴里。

youdao

The setup is like a termite hill providing natural ventilation just by set up with ground pipes and a solar tower.

该建筑看起来就像是一个白蚁的巢穴，通过地面管道和太阳能塔提供自然通风。

youdao

The MTA took extensive measures before the storm to limit the amount of water flooding into tunnels, including by boarding up ventilation grates in low-lying stations, piling sandbags at station entrances, inflating a rubber dam in the Long Island Rail Road's West Side yards in Manhattan and hastily erecting a floodwall across the mouth of the No. 3 train tunnel near East 148th Street in Harlem.

WSJ: Salt Water Puts City's Subway System 'in Jeopardy'

They lined us up, no air, no ventilation, if we had to go to the bathroom we had to leave the door open so they can sit there and watch us and I was there for eight weeks straight. 10.10.51 Winston Wilkinson Pretty much when I ran away they sentenced me to go to OP.

BBC

The same team assessed the entire museum (150, 000 square meters of lighting, heating, electrical and ventilation systems) and came up with a seven-year plan detailing when the equipment would have to be replaced and how much it would cost annually.

FORBES: Sprinklers to sausages