Grassmannian
格拉斯曼流形
🗣️ 情景例句
Clean? You call this clean?
干净这样算干净？
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
For all his life, he had known that people suddenly disappeared from their villages.
他一生中，听说过有的人突然间在他们的村庄失踪了。