Decalcifying
[医] 脱钙的, 除石灰质的
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
I know the boy whose father is an architect.
我知道那个男孩的父亲是建筑师。
Boiling is always a good way of treating water.
烧开一直是水处理的一种好办法。