Bdu
abbr. 基本显示单元（basic device unit）
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
What's the population of China?
中国有多少人口？
Towards midday, a girl heard a muffed cry coming from behind on of the walls.
快到中午的时候，一个女售货员听见从一堵墙里传出一种闷声闷气的叫声。