permanganate
(also potassium permanganate, permanganate of potash) n [U]
dark purple salt of an acid containing manganese, used as a disinfectant and antiseptic when dissolved in water 高锰酸钾.
🗣️ 情景例句
I think we're going to be good friends.
我想我们可以成为好朋友。
These clothes are too short, they need to be let down.