Vf
abbr. 很好（very fine）；可变频率（variable frequency）；视频（vision frequency）
🗣️ 情景例句
What's going on?
怎么样了？
You really did it this time!
这下你可糟了！
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。