英语语法分析

But only now are some of the DAMS of the colonial era being restored to use, after years of neglect and silting up.

多年失修和淤积后，人们到现在才开始对殖民时代的一些水坝进行维修。

Erosion can do major damage to water quality, silting streams and lakes and dumping fertilizers and pesticides into the water supply.

对水质而言，土地侵蚀确实是一个主要的危害，堵塞河流和湖泊及倾撒肥料和杀虫剂进入供水系统。

Originally a shallow bay adjoining the Qiantang River was gradually transformed into an inland lake by the silting-up of the outlet.

起初是一个连接钱塘江的浅海湾，慢慢地由出口的淤泥冲塞被转变成了内陆湖。