Conics
n. 锥线法, 锥线论
🗣️ 情景例句
The editorial in this paper has my friend Nat Baker real upset.
这张报纸上的社论着实令我的朋友Nat Baker不高兴。
Do you offer FOB or CIF?
你们报船上交货价还是到岸价？
The turtle at last gives up by pulling his feet under his shell and the game is over.
海龟终于屈服了，将4条腿缩进壳内。