Allylic migration
[化] 烯丙型遷移
?? 詞語組成解析
烯丙基的
migration
[mai'ɡrei??n]
n. 遷移，移居;
??? 情景例句
Keep your fingers crossed.
希望你一切盡如人意。
This time didn't count. Do it over!
這次不算，重來！
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次為拳擊比賽制定了規則，拳擊比賽這才用上了手套。