Biellipticity
双椭圆率
🗣️ 情景例句
Are you excited about graduating from high school?
你从高中毕业会不会感到很兴奋呢？
I ought to stay at home.
我应该留在家中。
Here we are. Row M， seats l and 3.
哦，到了。M排，l号和3号。