Meaning of dark sleeper | Babel Free
Definitions
Odontobutis obscura, a freshwater goby found in East Asia
Examples
“In these species the eggs are defended most strongly, and feeding territories have⟳ also been reported for some of them (the dark sleeper and the common freshwater goby).”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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