Double option
[经] (购买与出售)双重选择权
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
🗣️ 情景例句
She takes her exams next week, so she's burning the midnight oil.
她下周要考试，所以在开夜车。
Will the flight be delayed?
这班机会延误吗？
It rose out of the basket and began to follow the movements of the pipe.
它从筐里探出身子，随着乐器的摆动而扭动。