Demineralisation
[电] 去矿化作用
🗣️ 情景例句
Richard is right.
Richard是对的。
Jack of all trades is of no trade.
万事皆通，一无所长。
Can you cover for me on Friday. Tell me how to get there?
星期五能不能请你替我个班。 你能告诉我到那里怎么走吗？