Cumulated double bonds
[化] 累积双键
🧩 词语组成解析
v. 累积（cumulate的过去式）
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
n. 镣铐, 监禁
🗣️ 情景例句
I'm with you.
我知道你的意思。
Take care of the pence and the pounds will take care of themselves.
积少成多。
She became more and more beautiful.
她变得越来越漂亮了。