n.二烯类
Compounds containing two double bonds are called dienes. 包含两个双键的化合物叫做二烯烃。
Dien thoai cua chi con o Viet Nam lan sau a qua me goi a dem ve DL. 姊姊的电话还在越南，下次你过来越南妈妈会请你带回去台湾。
Fourth, Kunming - Jinping - Dien Bien Phu tourism line. 四 是昆明--金平--奠边府旅游线。
Catherine Nguyen: Do you know our outstanding win in Dien Bien Phu? 你知道,我们的奠边府大捷吗?
The challenge we faced in 1954 was to convince the American people of the importance of Dien Bien Phu. 1954年我们所面临的难题是让美国人民真正认识到奠边府的重要性。
Tran Dien from the company that makes the kits says more people would use LPG if it was more widely available. 制造转化器公司的人员表示，有越来越多人要使用液化石油气。
