What does 淡水 mean?
淡水 is a Japanese noun meaning “fresh water” in English. It is written as 淡水 in kanji, たんすい in hiragana, and tansui in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
この装置により、簡単に海水を淡水に変えることが可能となった。
This device made it possible to turn sea-water into fresh water easily.