grinding
adj. （状态）难熬的，折磨人的；刺耳的，吱吱嘎嘎响的
v. 磨碎，碾碎；打磨，磨光；嘎嘎地磨擦（grind 的现在分词）
例句
Parts of the machine were grinding together noisily.
机器零件摩擦发出刺耳的声音。
《牛津词典》
There was a wok, a grinding stone, and a huge mortar and pestle, so those are what I left with, and I have all of them.
有一个锅，一块磨石，一个巨大的研钵和杵，这些就是我剩下的东西，我都有。
Dressed in her school uniform, seven-year-old Rani Eknath Mane waits for her father to finish grinding the family's harvest of chickpeas.
7岁的 Rani Eknath Mane 穿着她的校服，正等着她的父亲磨完今天她家收获的鹰嘴豆。
