甘油是所有脂肪和磷脂的组成部分.Glycerol is a constituent of all fats and phospholipids.有人建议在硝化之前,把甘油聚合.Some people proposed polymerizing the glycerine prior to nitration.有人研究过甘油一硝酸脂的性质.The properties of mononitroglycerine were investig...
Overall, barter is a very inefficient means of organizing transactions.总之，易货贸易是一种效率很低的交易形式。She was a queenly, organizing type.她属于那种像女王般把一切都组织得井然有序的类型。He toured South Africa organizing revival meetings.他游历南非，组织奋兴布道会。...