洞口 dòng kǒu 🔊 cave mouth + Review this word Meanings dòng kǒu cave mouthtunnel entrance Dòng kǒu name see 洞口縣|洞口县[Dong4 kou3 Xian4] Its characters 洞dòngcaveHSK 5口kǒu(measure word for people in a family)HSK 1 Words with 洞口 洞口县 Dòng kǒu Xiàn Dongkou, a county in Shaoyang City…