Bul
abbr. below upper limit 低于上限
🗣️ 情景例句
You are a walking dictionary.
你是活字典。
Though malice may darken truth, it cannot put it out.
恶意可以遮暗真理，但不能抹杀真理。
The moment you leave this tent, you will get a big surprise.
您一走出这个帐篷，就会大吃一惊。