水文學 [－－学]

Jyutping seoi2 man4 hok6
Pinyin shuǐ wén xué

Definitions (CC-CANTO)
  1. hydrology
Definitions (Wiktionary)
  1. noun
    hydrology (science related to water)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）