Olefines
(olefine 的复数) [化] 烯烃; 链烯烃
🗣️ 情景例句
I'm so sorry.
很抱歉。
As you travel westward,does the land get higher?
当你向西旅行，陆地变得更高？
Sensational News! By our reporter, Alan Jones. Karen Marsh arrived at London Airport today.
爆炸性新闻！由本报记者艾伦。琼斯报导。卡伦。马什今天到达伦敦机场。