n.均匀气层；混成层

The homosphere is the layer of Earth's atmosphere where weather occurs.
译文:同温层是地球大气中发生天气现象的一层。
Most of the air we breathe is contained within the homosphere.
译文:我们呼吸的大部分空气都位于同温层内。
The homosphere extends from the surface of the Earth to about 50 miles up.
译文:同温层从地表延伸到大约50英里高处。
Clouds form and dissipate within the boundaries of the homosphere.
译文:云在同温层的范围内形成和消散。
Weather balloons are sent into the homosphere to collect atmospheric data.
译文:气象气球被送入同温层收集大气数据。
The homosphere contains all the gases that support life on Earth, such as oxygen and nitrogen.
译文:同温层包含了支持地球上生命的所有气体，如氧气和氮气。
Airplanes typically fly within the lower portion of the homosphere, called the troposphere.
译文:飞机通常在同温层的下部，即对流层飞行。
The homopause marks the boundary between the homosphere and the thermosphere above it.
译文:同温层界线标志着同温层与其上方热层的边界。
The ozone layer, which protects us from harmful UV radiation, exists within the stratosphere of the homosphere.
译文:保护我们免受有害紫外线辐射的大气臭氧层存在于同温层中的平流层。
Spacecraft must leave the homosphere to reach outer space, beyond Earth's protective atmosphere.
译文:航天器必须离开同温层才能到达外太空，即地球保护性大气之外的地方。