third,some mountains and grassland because farmlan and could’t hold much water .

问题描述:

third,some mountains and grassland because farmlan and could’t hold much water .
翻译
不是 farmlan 是farmland
不是could’t 是couldn’t

楼主的英语句子有问题,我猜测应当是翻译成如下意思:
第三,由于某些山地和草地变成了农场,便无法保持更多的水分了