Biellipticity
双椭圆率
🗣️ 情景例句
Looks like we should've bought a bigger one.
看来我们应该买一件大些的。
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
It contained five large bars of chocolate and three bags of sweets!
里面装了5大块巧克力和3袋糖果！