Cationoid activity
[建] 阳离子活度
🧩 词语组成解析
类阳离子
🗣️ 情景例句
I feel sick as a dog.
我病得很厉害。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
Choose any subject. Something about England, for example.
你可以选任何题日。例如，你可以谈谈英国的情况。