Double replacement
[化] 双重取代; 互换; 互置换
🧩 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
I'm so sorry.
很抱歉。
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
But my baby, I can't leave her by herself.
可是我的孩子……，我不能把她一个人留着呀。”