代沟 dàigōu generation gap

地沟 dìgōu trench

沟槽 gōucáo grooved; grooves

沟渠 gōuqú ditches; gullies; gully

沟通 gōutōng communicate; communicating; communication; communicator

壕沟 háogōu entrenchment

九寨沟 jiǔzhàigōu jiuzhaigou

开沟 kāigōu ditching

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