蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.有机物分解的最后程序称为腐殖质化.The final process in organic matter decomposition is known as humification.腐殖质是已知能够覆盖滤膜的物...
他否认当晚守望不力。He denied that he'd failed to keep a proper lookout that night.他每天爬到一块很高的岩石上去守望.Everyday he climbed to a high rock to keep watch.3名士兵被派去守望大桥.Three soldiers were detailed to guard the bridge....
Brydon's team-mate Martin Williamson consolidated his lead in the National League when he won the latest round.布赖登的队友马丁·威廉森在最近一轮比赛中获胜，巩固了自己在全国联赛中的领先地位。Williamson reaction is one important method to prepare unsymmetr...
In this dissertation, Cyclohexylbenzene ( CHB ) was used as a new overcharge protection additive in li - ion batteries.本论文将环己基苯 ( Cyclohexylbenzene,CHB ) 作为一种新型电聚合过充保护添加剂应用到 锂 离子电池中....