B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
We'd wait until dark and make a fire,
我们等到天黑就升火，
They think people should be less extravagant.
他们认为民众应该更加节制奢侈。
Could you consider accepting our counterproposal?
你能考虑接受我们的反对案吗？