Conics
n. 锥线法, 锥线论
🗣️ 情景例句
Are you hitting on me?
你想调戏我吗？
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
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，