Conics
n. 锥线法, 锥线论
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
He will speak about the sales projections for the coming year.
他将谈谈未来一年的销售计划。
We would lay less stress on 'facts and figures'and more on a good memory,
人们不会再重视"资料和数据"，而靠好记性、