[gōu]
[名]
（挖掘的水道或工事） channel; ditch; gutter; trench
communication trench
交通沟
drainage ditch; drain
排水沟
drain; sewer
阴沟
dig a ditch
挖一道沟
The water in the ditch is not very clean.
沟里的水不很清洁。
（浅槽； 似沟的洼处） groove; rut; furrow
ruts on the road
车道沟
make furrows for sowing
开沟播种
（水道） gully; ravine
mountain valley; ravine; gully
山沟
seven gullies and eight ridges; full of gullies and ridges
七沟八梁
gully
集水沟