短語(yǔ)詞組短語(yǔ)indus ganges river lowland 印度洋恒河低地Indus River dolphin 恒河豚Indus River Valley 印度河流域Indus River Dolphins 恒河豚Indus River Irrigation System 印度河灌區(qū)Indus River Treaty 印度河協(xié)定the Indus River 印度河ganges and indus river dolphin 恒河豚科;恒河豚屬Civilization of Indus River Valley 印度河流域文明 返回 Indus River