Anthraquinone plgments
[机] 色素
🧩 词语组成解析
n. [化]蒽醌
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
Many drops makes a shower.
积少成多。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。