He hid his hard-earned two thousand yuan cash inside a double wall in his apartment. 他把辛苦得来的二千元现款藏在住处的夹层墙里。
One large compartment of the aviary served as the caching arena.We separated a smaller compartment from this area with an opaque wall. 我们将大鸟笼里的一个大空间，当渡鸦的藏宝区，再以不透明的墙隔出一较小的区域，其中有隔间。
