Cationic acid
[化] 阳离子酸
🧩 词语组成解析
[医] 阳离子的, 阴向离子的
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
Let me look. What do you need?
我来看看。你需要什么样的零钱？
Hi! Where are you from?Hi
，你是哪里的？