troposphere
The troposphere is the lowest layer of the Earth's atmosphere, extending from the surface to an average altitude of about 12 kilometers. It is the region where nearly all weather conditions, such as clouds and precipitation, occur and where most of the atmosphere's mass is concentrated.
例句
3 / 5Most clouds that you see in the sky are located within the troposphere.
The majority of clouds visible in the sky are found in the lowest layer of the atmosphere.
Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.
Laws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.
It's crazy to think that the troposphere is where all our rain and snow actually come from.
It is amazing to realize that the first layer of the atmosphere is the source of all precipitation.
词族
记忆技巧
Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.
快速测验
Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.
正确!
正确答案是: troposphere
例句
Most clouds that you see in the sky are located within the troposphere.
everydayThe majority of clouds visible in the sky are found in the lowest layer of the atmosphere.
Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.
formalLaws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.
It's crazy to think that the troposphere is where all our rain and snow actually come from.
informalIt is amazing to realize that the first layer of the atmosphere is the source of all precipitation.
The boundary between the troposphere and the stratosphere is known as the tropopause.
academicThe dividing line between the first and second layers of the atmosphere is called the tropopause.
The aviation industry monitors wind currents in the troposphere to optimize flight paths and save fuel.
businessAirline companies track air movements in the lower atmosphere to improve routes and reduce costs.
词族
常见搭配
常用短语
within the troposphere
inside the Earth's lowest atmospheric layer
tropospheric heating
the warming of the lowest part of the atmosphere
thickness of the troposphere
the vertical measurement of the Earth's first layer
容易混淆的词
The stratosphere is the layer above the troposphere; it is where the ozone layer is located and is generally calmer.
使用说明
The word is almost exclusively used in scientific, environmental, or meteorological contexts. In general conversation, people usually just say 'the air' or 'the atmosphere'.
常见错误
Learners often confuse the troposphere with the stratosphere or think it refers to the entire atmosphere rather than just the lowest layer.
记忆技巧
Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.
词源
Derived from the Greek 'tropos' (meaning 'turn' or 'change') and 'sphaira' (meaning 'sphere'), referring to the turbulent air and weather changes in this layer.
语法模式
文化背景
While not tied to a specific culture, it is a standard term in global environmental science and climate change discussions.
快速测验
Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.
正确!
正确答案是: troposphere
相关词汇
The layer of air and gases that surrounds the Earth or anoth...
climateClimate refers to the long-term patterns of weather conditio...
stratosphereThe stratosphere is the second major layer of Earth's atmosp...
meteorologyThe scientific study of the atmosphere and its phenomena, es...
altitudeAltitude refers to the vertical distance or height of an obj...
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