He hid his hard-earned two thousand yuan cash inside a double wall in his apartment. 他把辛苦得來的二千元現款藏在住處的夾層牆裡。
One large compartment of the aviary served as the caching arena.We separated a smaller compartment from this area with an opaque wall. 我們將大鳥籠里的一個大空間,當渡鴉的藏寶區,再以不透明的牆隔出一較小的區域,其中有隔間。