Hsab
[化] 软硬酸碱
🗣️ 情景例句
It's your birthday.
今天是你的生日。
John has his own family now.
约翰现在有自己的家了。
When one seriously studies the social orders that have had the opportunity to develop autonomously,
当一个人认真地研究自发形成的社会秩序时，