Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.缺少腐殖质和...
...the company's six-year association with retailer J.C. Penney Co...该公司与零售商 J. C. 彭尼公司6年的业务往来He was one of the small select group assembled by Penney, at the High Explosive Research centre.他是彭尼在烈性炸药研究中心召集的精英小组的一员。I...
The transformation and production rearrangement of the crude benzol distillation system are described.介绍了粗苯蒸馏系统的改造和生产调整情况.METHOD: Using Chapman rearrangement to prepare 2, 6? dichloro? diphenylamine.方法: 应用 Chapman 重排制备2,...
Frank Mariano negotiates the desert terrain in his battered pickup.弗兰克·马里亚诺驾驶他那辆破烂不堪的皮卡车成功穿越了沙漠地带。We have reached an agreement, revealed Genoa director of sport Mariano Fabiani.我们已经谈好了一项和约, 热那亚的体育主管这么说道.Atletico Madrid h...