Centerless grinding machine
[机] 无心磨床
🧩 词语组成解析
[计][修]无中心
a. 刺耳的, 沉重的, 剧烈的\\n[化] 研磨; 磨碎
🗣️ 情景例句
since this is so easy ....
既然那么简单……
Courtesy costs nothing.
谦虚恭敬，不用分文。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。