Memory can atrophy through lack of use.

　　記憶力不常使用就會(huì)衰退。

　　His memory suffered irremediable damage.

　　他的記憶受到了無(wú)法補(bǔ)救的損害。

　　How much memory does the program occupy?

　　這個(gè)程序占用多少內(nèi)存？