Abrading agent
[化] 磨料; 研磨剂
🧩 词语组成解析
[化] 研磨
🗣️ 情景例句
Life is full of ups and downs.
生活充满起伏。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
Mum or dad, of course, provide a regular supply of pocket money, but uncles and ants are always a source of extra income.
爸爸妈妈当然经常给孩子零花钱，但是，叔舅婶姨也是孩子们额外收入来源。