Undor
广义旋量
🗣️ 情景例句
my mother is running for the school board?
我母亲竞选联合校董会董事吗？
No, it isn't. Yes, it is.
不，它不是。 是的，它是。
with, superimposed upon, it the continents, together with the islands and other features of the oceans.
上面附加着大陆以及岛屿和海洋的其他形态。