Conic section
n. 圆锥截面
🧩 词语组成解析
a. 圆锥的, 圆锥形的\\n[医] 圆锥形的
section
['sɛkʃən]
n. 部分;节;部件;部门;
vi. 切开;切断;做（动物或植物组织）切片;把（精神病患者）正式送入精神病院;
vt. 把…切成片（或段）;作…的切片;把…作成截面;制作…的剖面图;
sect切， 割+ion名词后缀 → 切开；部门
🗣️ 情景例句
I promised you a surprise, didn't I?
我答应过要给你一件惊喜， 不是吗？
Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。