Double bond migration
[化] 双键移位
🧩 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
migration
[mai'ɡreiʃən]
n. 迁移，移居;
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
He may cheat in checkers, but it beats staring at his face all day long.
他可能在下象棋时做手脚，但是只要一整天盯着他的脸看便会获胜了。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？