Bh
abbr. 布氏硬度（Brinell hardness）；營業時間（Business Hours）
??? 情景例句
What a country!
多奇妙的國家啊！
The data confirm that this product is safe and effective.
數據證實此種產品安全有效。
It was obvious that he was very embarrassed.
顯然他感到很尷尬。