Cationoid activity
[建] 阳离子活度
🧩 词语组成解析
类阳离子
🗣️ 情景例句
The number's no longer in service.
这个号码现在是空号。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？