gōu cáo
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Chinese dictionary
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  • n.trench; groove; furrow; cannelure; depression

    • shuǐ yú yán shí shang chōng chū le gōu cáo

      岩石冲出沟槽

      Water had channelled grooves in the rock.

    • gōu cáo cháng dù

      沟槽长度

      the length of guttering