Once this was done and the silt carried down by the rivers was planted, the rewards were rich: four to five times what rain-fed earth would produce.
一旦完成了这个，河流带来的淤泥会沉积在此处，回报是丰厚的：产量是被雨水滋养的土壤的四到五倍。
youdao
These, I do not know what rain was, wash away the marks.
这些，不知被哪一场雨，洗去了痕迹。
What rain?
什么雨？
应用推荐
模块上移
模块下移
不移动