Ballizing
为了测定一个孔口的大小或对孔口表面进行磨光而将一个硬质钢球穿过孔口的过程
🗣️ 情景例句
You.
你。
Can you imagine what it would be like to live without electricity?
你能想象出生活中没有电会是怎么样的一种情形吗？
She got to school early. She had a little rest after lunch, but she worked hard in class all day.
她早早来到了学校。午饭后她小休一会儿，但一整天她在课堂上都很用功。