Conversion of olefines
[建] 烯烃的转化
🧩 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];
(olefine 的复数) [化] 烯烃; 链烯烃
🗣️ 情景例句
Ten o'clock.
十点钟。
It's not the gay coat that makes the gentleman.
君子重德不重衣。
He's from England.
从英国。