Bhn
abbr. 布氏硬度值（Brinell hardness number）
🗣️ 情景例句
so she had to take an earlier flight today.
所以她不得不在今天搭早一班的班机。
I'm not young enough.
我还不够年轻。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。