For the same reason, tornado cellars musy have an air opening.

出于同样的原因，龙卷风的地下室通常有一个通风口。

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For the same reason, tornado cellars must have an air opening.

出于同样的原因，防风窖必须有一个通风口。

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Let sanitized cans air-dry for at least one hour before opening or storing them.

VOA: special.2010.07.19

Carter scored 14 points as the defending champions were beaten 22-19 by North Harbour in their opening Air New Zealand Cup match.

BBC: South Africa 31-19 New Zealand

There was a theatrical air to the opening of the trial of Jean-Pierre Bemba, the former vice-president of the Democratic Republic of Congo (DRC), in The Hague.

BBC: Defiant Jean-Pierre Bemba gets his day in court

Firefighters turned on a portable heater to keep her warm in near-freezing temperatures while they dropped an air bag into the opening to slightly spread the walls.

NPR: Rescuers Free Woman Wedged Between 2 Buildings