Pmmu
[计] 页式存储器管理部件
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
Come on now-buck up-face the music-nose to the grindstone.
快振作起来，面对现实，埋头苦干。
And at seventeen he set off for the USA with a group of comedy actors.
17岁时随同一些喜剧演员去了美国。