Conics
n. 锥线法, 锥线论
🗣️ 情景例句
I was a member of the debate team.
我是辩论队的成员。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
Really? Are pigs beautiful? I've seen them before, but they weren't beautiful at all!
真的吗？猪会漂亮吗？我以前见过它们，但它们一点也不漂亮！