深海槽；海沟

oceanic trenches───海沟

oceanic ridge───洋脊；[地理]海岭

oceanic feelings───万能感

oceanic feeling───万能感

Norman French───诺曼法语（中世纪诺曼第及英国使用的法语）

entrench───vt.确立，牢固；用壕沟围住；挖掘；vi.侵犯；挖掘壕沟

nail wrench───钉子扳手

oceanic ridges───洋脊；[地理]海岭

reintrench───钢筋沟

Perhaps may magnificently to big on South Pole, or dives the oceanic trench.───没准可以辉煌到大上南极, 或者潜进海沟.

According to the theory of plate tectonics, China's oceanic earthquakes can be divided into three major levels: (1)Western Pacific Ocean arc-trench strong mobile belt;───中国海洋地震按板块构造理论划分为三个大的层次：（1）西太平洋岛弧-海沟强活动带；

Coldest capital: Reykjavik fog all: Capital London music: The Vienna earth's crust is thinnest: Pacific Ocean oceanic trench───最冷的首都：雷克雅未克雾都：伦敦音乐之都：维也纳地壳最薄：太平洋海沟

Convergent boundaries between oceanic lithosphere are marked by an oceanic trench, a volcanic island arc and a Wadati-Benioff zone.