Ybd
abbr. Y-branching device Y型分路器
🗣️ 情景例句
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
The capital of my country id Beijing.
我国首都是北京。
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。