Pebble mill
[化] 砾磨机
🧩 词语组成解析
mill
[mil]
n. 磨坊;磨粉机;榨汁机;工厂;
vt. 研磨，粉碎;搅拌;磨，铣;轧花边（在纸币上）;
vi. 惊跑，乱闯;经研磨;
🗣️ 情景例句
Will he be OK, Dad?
他会没事吗， 爸爸？
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
But, in addition to that basically simple concept,
除了这一基本的简单的概念外，