Descaling
除锈
🗣️ 情景例句
Before the barbeque let's sharpen all the knives.
烧烤之前先把刀磨一磨。
Children are the parents' riches.
子女是父母的至宝。
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。