Bul
abbr. below upper limit 低于上限
🗣️ 情景例句
And this is Alexandra Pappas.
这位是Alexandra Pappas。
Hunger fetches the wolf out of the woods.
饥饿引狼出森林。
Alcohol may be a medical disinfectant, but should not be relied upon to sterilize water.
酒精可能是医学上的消毒剂，但决不可用来消毒饮用水。