Brinell
hardness [冶]布氏硬度,压球硬度
🗣️ 情景例句
She had to work her way through law school.
她必须半工半读学法律。
The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
As he was uncertain about making films with dialogue.
因为他对是否能制作配有对白的电影片没有把握。