The marshy land provided a breeding place for the birds .
这片沼泽地为鸟类提供了繁殖地。
The ancient marshy nile would have hosted many eye disease-causing bacteria .
湿软的古尼罗河流域或许流行着许多由细菌引起的眼科疾病.
Many people scoffed when shanghai announced plans in 1990 to develop what was then just an expanse of marshy land , villages and old factories into the city 's new financial district .