(shuāng) Shuang river in Hunan and Guangdong (modern Wu river 武水)
(lóng) rapids; waterfall; torrential (rain)
(shuāngshuǐ) Shuang river in Hunan and Guangdong (modern Wu river 武水)
(lóngzé) Takizawa or Takesawa (Japanese name)
(lóngchuán) boat or raft adapted to handle rapids; white-water raft