Cumulative double bond
[建] 累积双缩
🧩 词语组成解析
cumulative
['kjumjəletɪv]
adj. 累积的;渐增的;追加的;（判刑等）加重的;
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
Wouldn't it be wonderful?
那样岂不是太美妙了吗？
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
It looks like a chicken. But I don't think chickens can swim.
看起来像只小鸡。不过我认为小鸡不会游泳啊！