Demineralisation
[电] 去矿化作用
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
When he opened the door the cat ran out and brushed by his legs.
当他一开门，那只猫跳了出来，偎依在他的脚边。
Oh, sweaters.
羊毛衫。