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fish

In a sentence
Ryba je čerstvá.
The fish is fresh.
Pláva ako ryba.
He swims like a fish.
Veľryba nie je ryba, je cicavec.
The whale is not a fish but a mammal.
Rybu, prosím.
Fish, please.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.