updraught

例句：

1. 1. The updraught caused the leaves to flutter in the wind.
   上升气流使树叶在风中摇曳。
2. 2. The updraught brought a cool breeze from the mountains.
   上升气流带来了从山间吹来的凉爽的微风。
3. 3. The updraught was responsible for the fog that enveloped the city.
   上升气流是笼罩城市的雾气的原因。