沟渠中积满了淤泥。
湿地上修建了数百英里的排水沟渠。
Hundreds of miles of drainage canals were built in the wetlands.
他能看见一条灌溉沟渠。
这座桥就像是坐落在护城河中的一条沟渠，这种造型是为了使它与周围的风景融合在一起。
The bridge lies like a trench in the fortress of the moat, which is shaped to blend in with the outlines of the landscape.
这座桥就像是坐落在护城河中的一条沟渠，这种造型是为了使它与周围的风景融合在一起。
The bridge lies like a trench in the fortress of the moat, which is shaped to blend in with the outlines of the landscape.
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