外层 wàicéng outer layer Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 我们中的许多人对外层空间及其许多神秘之处着迷。 wǒmen zhōng de xǔduō rén duì wàicéngkōngjiān jíqí xǔduō shénmì zhī chù zhe mí. Many of us are fascinated by outer space and its many mysteries. Source: CCMatrix