B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
May I speak to Miss Tan, please?
可以请谭小姐听电话吗？
He who has lost shame is lost to all virtue.
没有廉耻心，没有好德行。
Good. I 'm glad we're all done.
太好啦，我真高兴一切都成了。