Pfn
页帧号,页面号
🗣️ 情景例句
If I've ever been sure of anything, I'm sure of this; your team is going to lose the same game on Saturday.
这一次我十分肯定：你们队星期六的比赛会输。
I seldom write a letter.
我很少写信。
It's over there on the right.
右边那儿就是。