B-b
abbr. 滚珠轴承（ball bearing）；铅笔芯（double black）
🗣️ 情景例句
His popularity has soared thanks largely to his TV appearances.
由于经常出现在电视上，他的知名度日趋上升。
Take the rough with the smooth.
既能享乐也能吃苦。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。