Cameroon, Mozambique and Gabon tie at third from bottom.喀麦隆 、 莫桑比克和加篷处在第三梯队.A hippopotamus surfs the waves off the coast of Gabon.一头河马在加蓬的海岸附近冲浪.The project Gabon rain for restthreatens Gabon's rainforests. Mr.该项目会威...
He fixed a bayonet to the end of his rifle.他在步枪口上安好了刺刀。Tom was leading, a rifle slung over his back.汤姆走在前面，背上挂着一支步枪。He gave a grunt and loosed his grip on the rifle.他闷哼了一声，松开了握着来复枪的手。...
随后,叠氮化脒异构化生成氨基四氮杂茂.Guanyl azide is then isomerized to aminotetrazole.它们与氨反应形成脒.They will react with ammonia to form amidines.目的探讨杀虫脒的利多卡因样作用.Objective To study the lidocaine - like actions of chlordimeform....