Alkalion
羟离子, 氢氧离子
🗣️ 情景例句
How are you feeling?
你感觉怎么样？
None but the wearer knows where the shoe pinches.
只有那个穿鞋人，才知哪里鞋轧脚。
Sorry! I think we had them for lunch. We must get some more tomorrow.
对不起！我想我们中午吃掉了。我们明天得再买一些。