To the rear, the camp was protected by the river and marshyground.
而营地的尾部则有河流和沼泽保护。
2
This paper makes a suggestion of "restoring marshyground water environment and building harmonious natural ecology" to get the catastrophes under control.
为此,笔者以“恢复湿地丰水环境、营造和谐自然生态”为目标,阐述对湿地灾变的防治意见。
3
Over the years the lake began growing over and on its site developed gigantic marshyground, a self-sustained reservoir which can feed itself just with rainfalls.