B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
Yes, but you did, and we've got our lunch.
没错， 但你念了， 使我们钓到了午餐。
I'm looking forward to seeing you again.
我盼望着再能见到你。
Yes, I do. I have two, a son and a daughter.
有两个，一个儿子，一个女儿。