增温层

Traditional form:

增溫層

Pinyin (reading):

zēngwēncéng

Definitions:

• thermosphere

Characters:

• 增 - to increase; to expand; to augment; to add
• 温 - warm, lukewarm
• 层 - layer, floor, story, stratum

Traditional characters:

• 增 - to increase; to expand; to augment; to add
• 溫 - warm, lukewarm
• 層 - layer, floor, story, stratum