Biquaternions
(biquaternion 的复数) 八元数
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
As long as it doesn't snow!
只要不下雪就行啊！
Was there a message?
留话了吗？