增温层 zēngwēncéng thermosphere Origin Definitions Defs Strokes Stroke Words Sentences Sents 增 zēng verb to increase (bound form) to increase; to add; to augment温 溫 wēn nounverb [temperature] (bound form) temperature; the degree of hotness or coldness层 層 céng noun layer A physical sheet, thickness of material, or stratum covering a surface