Bdu
abbr. 基本显示单元（basic device unit）
🗣️ 情景例句
And I don't think it's a good idea
而且我觉得这不是个好主意
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
You've done very well and made lots of progress.
你功课学得很好，进步很大。