direction of prevailing wind

基本解释

The direction of the prevailing wind means that for most of the time the planes must fly over central London.
由于当地盛行风向的关系，飞机在多数时间必须飞跃整个伦敦的中心城区。
Radiation-emitting particles can then travel afar, depending on the speed and direction of the prevailing wind.
放射性微粒形成之后，可以飘到很远的地方，具体多远就看主风的速度和方向。
The prevailing wind is in South-West direction, the temperatures are very moderate reaching high levels of heat frequently around the year with low percentage of rainfall, creating arid conditions.
盛行风在西南方向，这里常年高温，年降雨量的比例较低，经常造成干旱的条件。