恒温层 héngwēncéng isothermal layer Definitions Defs Origin Strokes Stroke Words Sentences Sents 恒温层 恆溫層 héngwēncéng isothermal layer The layer of soil at a certain depth below the Earth's surface where the temperature remains constant throughout the year; also used for the stratosphere in the atmosphere.
恒温层 恆溫層 héngwēncéng isothermal layer The layer of soil at a certain depth below the Earth's surface where the temperature remains constant throughout the year; also used for the stratosphere in the atmosphere.
