Conics
n. 锥线法, 锥线论
🗣️ 情景例句
This dance show is very strange indeed.
这场舞蹈表演真是奇怪。
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。