Bh
abbr. 布氏硬度（Brinell hardness）；营业时间（Business Hours）
🗣️ 情景例句
so why don't we get right to work?
我们现在就开始工作， 好吗？
By doing we learn.
经一事，长一智。
'I was just wondering how to spend the morning -- until I saw you.
“我正不知道怎么消磨这一上午呢，正好见到好。