Migration of the double bond
[化] 双键移位
🧩 词语组成解析
migration
[mai'ɡreiʃən]
n. 迁移，移居;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
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 love his music.
我喜欢他的作品。
I'm short of hands.
我太忙了。
When the ship finally arrived in a port, the wooden cover was opened wide and Kunta could see in daylight for the first time across the part of the ship where he had been chained.
当船终于到达一个港口时，木盖打开了，孔塔这才第一次在日光下扫视了他被拴在那儿的那一部分船舱。