Read Edit View history 外层 wàicéng outer layer Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 外层/外層 · wàicéng · outer layer 2026/03/04 外层 / 外層 wàicéng outer layer the external part or outermost surface of a structured or layered object 地球的外层由地壳组成。 noun created sense Mar 4, 2026, 02:25 AM