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单词 Deep sea trench
释义

Deep sea trench

原声例句
《BBC纪录片 南太平洋》

These freshwater eels in the Solomons began their lives hundreds of miles away, possibly in a deep sea trench off New Guinea.

这些所罗门的淡水鳗诞生于数百哩外,或许是在新几内亚的深海沟里。

202329

From undersea mountains to deep--sea trenches, let's explore the geological forces sculpting the 'skin' of the Earth.

从海底山脉到深海海沟,让我们探索塑造地球“皮肤”的地质力量。

科拉诺斯动画科普

Beyond submarine canyons and undersea mountains, deep sea trenches, like the Mariana Trench in the Pacific Ocean, plummet into a world of darkness  and desolation.

除了海底峡谷和海底山脉,深海海沟,就像太平洋中的马里亚纳海沟一样,坠入黑暗和荒凉的世界。

202329

At deep--sea trenches, organisms have adapted to the immense pressures and rely on the 'marine snow'-- organic matter that drifts down from the ocean's surface-- for sustenance.

在深海海沟中,生物体已经适应了巨大的压力,并依靠“海洋雪”(从海洋表面漂流下来的有机物)来维持生计。

202329

Life at the Rifts and Trenches While the conditions at mid--ocean ridges and deep--sea trenches are extreme, with high pressures, temperatures, and total darkness, life has found a way to thrive.

裂谷和海沟中的生命虽然洋中脊和深海海沟的条件极其恶劣,高压、高温和完全黑暗,但生命却找到了繁衍生息的方法。

中文百科

海沟 Oceanic trench

(重定向自Deep sea trench)

海沟是位于海洋中的两壁较陡、狭长的、水深大于5000米(如毛里求斯海沟5,564米)的沟槽。

海沟多分布于活动的海洋板块边缘,在海洋板块与大陆板块的交界处,一般认为它是地球板块相互挤压作用的结果。

世界大洋约有30条海沟,其中主要的有17条,属于太平洋的就有14条,环太平洋的地震带也都位于海沟附近。地球上最深也最知名的海沟是马里亚纳海沟,它位于西太平洋马里亚纳群岛东南侧,深度大约11,034米。

英语百科

Oceanic trench 海沟

(重定向自Deep sea trench)
Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches.
Major Pacific trenches (1-10) and fracture zones (11-20): 
1. Kermadec
2. Tonga
3. Bougainville
4. Mariana
5. Izu-Ogasawara
6. Japan
7. Kuril–Kamchatka
8. Aleutian
9. Middle America
10. Peru-Chile
11. Mendocino
12. Murray
13. Molokai
14. Clarion
15. Clipperton
16. Challenger
17. Eltanin
18. Udintsev
19. East Pacific Rise (S-shaped)
20. Nazca Ridge
  The Peru–Chile Trench
The Puerto Rico Trench

The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries, along which lithospheric plates move towards each other at rates that vary from a few mm to over ten cm per year. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Trenches are generally parallel to a volcanic island arc, and about 200 km (120 mi) from a volcanic arc. Oceanic trenches typically extend 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor. The greatest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench, at a depth of 11,034 m (36,201 ft) below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km/yr.

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更新时间:2025/6/19 18:37:29