Demineralisation
[电] 去矿化作用
🗣️ 情景例句
Reading childern's literature is an excellent way for the beginning English speaker to improve.
对于刚刚开始学说英语的人，阅读儿童文学读物是个不错的方法。
The embarrassing situation caused me to lose face.
令人尴尬的场合让我丢了面子。
At that moment Lucy came into the library.
正在那时候，露茜走进图书馆。