Pff
abbr. pie-fed farmer 不务正业的农民; plaqueforming factor 血小板形成因子
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
What is the total circulation of this newsletter.
这份新闻通讯总发行量多少？
This is the largest dress in the shop.
这是店里最大一件。