smoke aloft

例句：

1. 1. They were caught smoking aloft by the police.
   他们被警察当场抓住正在高空中吸烟。
2. 2.The pilot was ordered to smoke aloft before takeoff.
   飞行员被命令在起飞前在高空中吸烟。
3. 3. Smoking is strictly prohibited in public places, including aloft.
   公共场合严禁吸烟，包括高空。