an occasion when a subject is discussed in an open or public way

The arguments for and against the proposals have been given a good airing. 对支持和反对这些建议的理由都进行了公开讨论。

a period of time when you allow the air to make something dry and fresh

The room was damp and smelly so we opened all the windows and gave it a good airing. 房间很潮湿，还有一股难闻的味道，所以我们打开了所有的窗子，彻底地通通风。