单词lumb
n.: 陡壁谷网络: 卢姆;伐木工人(lumberjack);伐木(Lumberjacking)
陡壁谷
The Theories and Practice of Community Problem-Oriented Policing: A Case Study Richard Lumb and Yumin Wang
社会问题导向治安的理论与实践:个案研究