drainage
US /ˈdreɪ.nɪdʒ/
UK /ˈdreɪ.nɪdʒ/

1.
排水, 排泄
the action or process of draining something
:
•
Proper drainage is essential for healthy crops.
适当的排水对农作物健康至关重要。
•
The city invested in a new drainage system.
该市投资了一个新的排水系统。
2.
排水系统, 排水设施
a system of drains
:
•
The old house had poor drainage.
那座老房子排水系统很差。
•
They are working to improve the drainage in the area.
他们正在努力改善该地区的排水系统。