abyssal plain

名词 n.
中文释义

英文释义

名词 n.
  1. 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).
    — 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.

词形变化

abyssal plains plural
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