B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
OK. Your offer si 5%. I think you have yourself of a deal.
好的，你们降价5%，我们就这样说定了。
The computer technician reads the paper tape.
电脑的技术人员在解读纸带。
I was late for work yesterday，
我昨天上班迟到了。