Bh
abbr. 布氏硬度（Brinell hardness）；营业时间（Business Hours）
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
The abundance of money ruins youth.
钱多毁青年。
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。