尼罗河每年都会泛滥。洪水到来时，会淹没河两岸的农田。洪水退去后，又会留下一层厚厚的河泥，形成肥沃的土壤。
Níluóhé měinián dōu huì fànlàn 。hóngshuǐ dàolái shí ，huì yānmò hé liǎng\'àn de nóngtián 。hóngshuǐ tuìqù hòu ，yòu huì liúxià yī céng hòuhòu de héní ，xíngchéng féiwò de tǔrǎng 。
The Nile floods every year. When flood waters arrive, they cover the fields on both banks of the river. When the flood waters recede, they leave a layer of thick river mud, resulting in fertile soil.