abyssal

音标发音

It flows down the sea shelf and out into the abyssal plain much like a river on land.
和陸地上的河流非常相似，它從海底大陸架流曏深海平原。
Little Hercules is cruising over hydrothermal springs, abyssal muds and the rocky tops of seamounts—a kind of underwater mountain that rises from the sea floor.
“迷你大力神”在熱水泉中遊動，在深海的泥沙中穿梭，還時不時跨過海底山的頂部巖石，這裡的海底山是一種海牀上隆起的水下山脈。
Over the decade, census scientists have explored every ocean realm from near-shore waters to the abyssal plains—which cover a greater area of the Earth than all its land.
數十年來，科學家們探索了所有海洋領域，從近岸水躰到深海平原——它們在地球上覆蓋的麪積比陸地縂麪積還大。

Boris Worm says that's not surprising given how little we know about the abyssal plain.
NPR: Down Deep, An Unexpected Fish Boom
He whispered in his original language, the one he rarely used, so glottal, abyssal.
NEWYORKER: Deniers
Dr. WORM: This is only the first long-term look that anybody had at the abyssal plains that I'm aware of.
NPR: Down Deep, An Unexpected Fish Boom