...a rare and irreplaceable jewel...举世无双的稀世珠宝B: You are very upset with the news . The pet is irreplaceable.B非常伤心, 因为那宠物是不可替代的.The Radio frequency communication irreplaceable makes mobile communication realized in underg...
Pursue breakthroughs in your life.追求自我的突破。We are seeking continuous, incremental improvements, not great breakthroughs.我们在寻求持续的、渐进的改善,而不是重大的突破。Previous, indirect detections of more than 300 exoplanets had provided breakt...
Development proposals of isoprene rubber in China were put forward.结合我国的实际情况,提出了发展我国异戊橡胶的几点看法.Isoprenoid ( terpene ): Class of organic compounds made up of two or more structural units derived from isoprene.类异戊间二烯化合物(亦称 ...