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 theoceanic 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 Oceanoceanic 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 anoceanic trench, a volcanic island arc and a Wadati-Benioff zone.