Centerless grinding
[机] 无心轮磨
🧩 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
About forty minutes, I think.
我想大约40分钟。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。