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- The greatest depths of the ocean are found in the ocean trenches. 海洋的最深深度是在这片海沟中测出的。
- Volcanoes release water and carbon dioxide to the atmosphere and ocean. Subduction of sediments rich in volatiles takes place at deep ocean trenches. 火山活动把水汽和二氧化碳释放到大气和海洋中，而在海洋深处的海沟富含挥发成份的沉积物发生俯冲。
- Subduction zones are the sites of oceanic trenches, high earthquake activity, and most of the world's major volcanoes. 板块俯冲带就是大洋海沟的地带，强烈地震发生带，世界最主要的火山带。
- This is a region of young, growing mountains and deep ocean trenches which invariably parallel mountain chains. 因为这片区域同时存在一系列地壳年龄小、正处于成长期的山脉，以及与之平行的深海沟。
- Why do so many earthquakes originate in this belt?This is a region of young, growing mountains and deep ocean trenches which invariably parallel mountain chains. 为什么这么多的地震都在这个地震带发生?这里是一个同时有着处于成长期的山脉和与之对应的深海沟的地区。
- He sat out the bombardment in the trench. 他在壕沟内一直坐到炮轰停止。
- I forgot to dig a trench around the tent. 我忘了在帐篷四周挖一条沟。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- The soldiers fought in trenches for ten days. 士兵们在堑壕阵地上打了十天仗。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- The astronauts splashed down in the Pacific Ocean. 那些宇航员们溅落在太平洋中。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The ocean lanes are always busy. 远洋航路总是很繁忙。
- The ship plowed across the ocean. 轮船在大海上破浪前进。
- They toiled all day digging the trench. 他们整天艰苦地挖壕沟。
- The soldiers recaptured their trench. 兵士夺回了战壕。
- The troops received orders to trench the outpost. 部队接到命令在前哨周围筑壕加强防卫。
- The ship ploughed across the ocean. 轮船在大海上破浪前进。
- An area of choppy water, as on an ocean. 碎浪区海洋等有碎浪的区域
- The scenery is beautiful near the Pacific Ocean. 靠近太平洋的地区，风景很美丽。
