Abcd
abbr. 加快收寄投递系统（Accelerated Business Collection and Delivery）
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
I don't care what you say.
我不在乎别人怎么说。
How old are you?
你多大了？