B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
I know you don't understand but you will just have to accept my opinion this time.
我知道，你或许不能理解，但这次你必须接受我的意见。
A lie begets a lie till they come to generation.
谎言生谎言，谎言传万代。
You are walking too fast. I can't keep up with you.
你走得太快，我跟不上。