Brinell
hardness [冶]布氏硬度,压球硬度
🗣️ 情景例句
If I marry you, there are going to be some ground rules.
要我嫁给你，有一些基本前提。
Joy and sorrow are next-door neighbours.
是喜是忧难以分。
OK. Thank you. Goodbye.
好的，谢谢您。再见！