Dual cone
[计] 对偶锥
🧩 词语组成解析
dual
['dju(:)əl]
adj. 双的，两部分的，二体的，二重的;
n. 双数;双数词;
cone
[kəun]
n. 圆锥体;球果;圆锥形东西;
vt. 使成锥形;
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Help! I've been kidnapped.
救命呀！我被绑架了！
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。