Yf
abbr. 黄热病（Yellow Fever）
🗣️ 情景例句
When and what university did you graduate from?
你何时从哪所大学毕业？
I'm going to buy five pieces.
我要买五片。
Yes, I'm afraid so. It's getting late, and we have to be up early in the morning.
恐怕是这样。天渐渐变晚了。清晨我们得早起。