Pollution, silt and landslides have plagued the reservoir area.
污染、淤泥以及滑坡等肆虐着水库地区。
2
The great amount of silt not only brought great trouble to the transport of the Yangtse River, but also brought into the problem of environment pollution.
大量的淤砂不仅会严重影响长江航道的顺利通航，也会给当地环境造成严重污染。
3
The grave issues involved in the current environmental dilemma include high population density, environmental pollution, an overabundant of silt in rivers and lakes, and the frequency of disasters.