Bdu
abbr. 基本显示单元（basic device unit）
🗣️ 情景例句
He's got eyes like a cat.
他的眼像猫的一样。
Excuse me I couldn't see you.
对不起我不能去看你。
When it is eating normally, its own training begins.
当它进食正常了，训练就开始。