Bivector
二重矢量, 二重向量, 平面量
🗣️ 情景例句
Very nice to meet you.
很乐意见到你。
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你关灯我将感激你的.我困了。
I've written a cheque for you.
我给你开了一张支票。