Decalcifies
vt. 除去石灰质；脱钙
🗣️ 情景例句
The girl always wears a happy smile.
这女孩随时都面带快乐的微笑。
He majored in Computers.
他主修计算机。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。