Kistiakowsky-fishtine equation
[机] 基斯佳科夫斯基-菲什蒂纳方程式
🧩 词语组成解析
🗣️ 情景例句
I do mean it.
我的确是说真的。
To bell
鸣叫
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。