Conversion of hydrocarbons
[建] 烃类的转化
🧩 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];
n. <化>碳氢化合物, 烃( hydrocarbon的复数形式 )
🗣️ 情景例句
It was destined to happen.
这是命中注定。
I subscribed to a lot of periodicals last year.
去年我订了许多期刊。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。