beating the grass to frighten the snake是什么意思

用法例句

Based on natural condition and types of native grassland at Zinihu lake basin in Alashan, Inner Mongolia, China, characteristics of resources, productivity and problems of fenced grassland were stated.

在简述紫泥湖地区自然条件、草地类型的基础上 ,着重阐述了该地区围封天然打草场的草地资源和生产力特点 ,以及利用中存在的问题 ,提出改良、培育和合理利用的措施。