Pmmu
[计] 页式存储器管理部件
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Who? The baby?
谁？那个小孩？