海水化淡 hǎishuǐhuàdàn seawater desalination Origin Definitions Defs Strokes Stroke Words Sentences Sents 海水 hǎishuǐ noun seawater seawater; brine; the sea化 huà nounverb to change to change; to transform; to convert淡 dàn noun tasteless thin; weak; diluted; tasteless; (of flavor) bland or not salty