troposphere

The orange layer is known as the troposphere, where all of the weather and clouds are generated and contained.

橘黄色的那一层被称为“对流层”，那里是所有的气候状况和云层形成和演变的地方。

The lowest layer of the atmosphere is known as the troposphere, which is constantly in motion, causing the weather.

地球大气层的最底层是所谓的对流层，这一层的大气不断运动，引起了气象变化。

The reasons are as below, the Pacific jet stream or planetary waves in troposphere can directly affect the Pacific center of action of the AO.

这主要是因为太平洋急流或准定常行星波在对流层中直接影响了位于该区域的北极涛动的活动中心。