fresh-water
(a.)淡水的;無經驗的;內地的,地方的
Fresh-wa·ter a.
1. Of, pertaining to, or living in, water which is not salty; as, fresh-water geological deposits; a fresh-water fish; fresh-water mussels.
2. Accustomed to sail on fresh water only; unskilled as a seaman; as, a fresh-water sailor.
3. Unskilled; raw. [Colloq.] “Fresh-water soldiers.”
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freshwater
adj : relating to or living in or consisting of water that is not
salty; "freshwater fish"; "freshwater lakes"