Read Edit View history 外层 wàicéng outer layer Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 外层/ 外層 wàicéng outer layer outer layer; outer shell; surface Edit Delete References Add reference antonym 外层/外層 → 内层/內層 Edit Delete antonym 内层/內層 → 外层/外層 Edit Delete