Rudyard Kipling called words the most powerful drug of mankind.卢迪亚德·基普林曾把文字比喻为人类最强效的药....the collected works of Rudyard Kipling...拉迪亚德·吉卜林作品全集This praise was echoed by one of Howell's chief English admirers, Rudyard...
Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Plasma - polymerization of ethylene gives films of complex, uncertain structure.乙烯的等离子聚合得到复杂的, 无固定结构的薄膜.In...