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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From a name mistakenly assigned, Girardinus guppii, after biologist Robert J. L. Guppy, to previously assigned Poecilia reticulata.
rainbow fish, Lebistes reticulatus
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Classic usage
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Verbault — Brown corpus levels, WordNet definitions, Gutenberg corpus.
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