Alkalion
羟离子, 氢氧离子
🗣️ 情景例句
We have talked of you ofter.
我们经常谈到你。
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，