水文學
(obsolete) The hentaigana syllable that is used to represent yo in old Japanese text.
Kyūjitai form of 水文学: hydrology
beat, clear (a game, or round in a game) / clear (data)
(databases) primary key
He is an expert in hydrology, and his research is highly valued around the world.
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DiQt（ディクト）
無料
★★★★★★★★★★
