Vub
abbr. variable upper bound 可变上限，可变上界
🗣️ 情景例句
I just solved the mystery.
我刚刚把那个谜底解开了。
I hope you can see me.
我希望你能看望我。
Tang Lin, I want to introduce my friend Jane.
唐林，我想向你介绍我的朋友珍妮。