Up the stairs, I was look "under" look left look right look, only to find that "every wall is not simple".

第二次走上楼梯，我是“左看右看上看下看”，才发现“原来每堵墙壁都不简单”。

youdao

Up the stairs, I was look "under" look left look right look, only to find that "every wall is not simple".

第二次走上楼梯，我是“左看右看上看下看”，才发现“原来每堵墙壁都不简单”。

youdao