Blc
abbr. 附面层控制（boundary layer control）
🗣️ 情景例句
Have you ever owned an animal?
你曾养过动物吗？
He that sups with the devil must have a long spoon.
与恶人交往，须特别提防。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。