Bhn
abbr. 布氏硬度值（Brinell hardness number）
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
Two blacks do not make a white.
两个乌黑不等于一个清白。
There, a child grows up under the ever-present attention of his parents;
荒凉地区的孩子无时无刻不在父母关怀下成长。