Composition of petroleum
[建] 石油的成份
🧩 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];
🗣️ 情景例句
What's your trade-in policy?
这里对汽车是怎样做折价处理的？
Women commonly live longer that men.
女性通常比男性长寿。
and for several days will probably refuse all food through anger and fear.
甚至一连几天由于愤怒和恐惧而拒绝进食。