abyssal plain
Definitions
A large expanse of very flat and smooth ocean floor, usually found at depths of 4,600 to 5,500 meters (15,000 to 18,000 feet).
Examples
“Innocuous as it sounds, this note⟳ was a starting gun for a resource race⟳ on the planet’s last⟳ vast frontier: the abyssal plains that stretch⟳ between continental shelves deep below the oceans.”
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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