Segregation of olefines
[化] 烯烃分离
🧩 词语组成解析
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];
(olefine 的复数) [化] 烯烃; 链烯烃
🗣️ 情景例句
Don't count your chickens before they hatch.
小鸡孵出之后再算数。
I can't remember what John was doing yesterday afternoon.
我不能记得约翰昨天下午正在做的东西。
He was, above all, a man who experimented:
他首先是个实验工作者，