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
If you want a job in journalism, you'll need to undertake media studies.
如果你想在新闻界工作，你得学习媒体知识。
Button holes are very hard to sew.
要缝钮扣洞非常难。
It's really nice of you. Thank you very much. said the man.
“你们真好。非常感谢你们”，那人说。