Biellipticity
双椭圆率
🗣️ 情景例句
How are you getting on with your studies?
你功课情况如何？
A thief is a thief, whether he steals a diamond or a cucumber.
偷多偷少都是贼。
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，