4周搞定2000+托福核心词
subjective = sub(下面) + ject(扔) + ive(...的) = 自己扔下去的→主观的
subject = sub(下面) + ject(扔) = 扔下去让大家讨论→主题，话题
marine = mar(海) + ine(...的) = 海的
mar = mar(海) = 海的
marine = mar(海) + ine(...的) = 海的
bovine = bov(牛) + ine(...的) = 牛的
海下面的→水下的，海底的
submarine
常考释义
There are some submarine islands called guyots and seamounts, in which subsidence associated with sea-floor spreading has been too speedy for coral growth to keep up.
有一些海底岛屿称为平顶山或海底山，在这些地方海底扩张带来的下沉速度太快，以至于珊瑚礁的生长速度跟不上。
来源于：阅读OFFICIAL47 P3n. 潜艇，潜水艇
We were trying to plot the course of the submarine.
我们试图标绘出潜艇的航线图。
This way! The submarine pens are up above us.
走这边！潜艇船坞在我们上方。
来自《生化危机5：惩罚》
图片源自网络
adj. 水下的；海底的
This paper discusses some problems regarding the on-position stability of submarine pipeline.
本文讨论了海底管道埋放稳定性的相关问题。
There are some submarine islands called guyots and seamounts, in which subsidence associated with sea-floor spreading has been too speedy for coral growth to keep up.
有一些海底岛屿称为平顶山或海底山，在这些地方海底扩张带来的下沉速度太快，以至于珊瑚礁的生长速度跟不上。
来源于：阅读OFFICIAL47 P3Offshore drilling platforms extend the search for oil to the ocean's continental shelves—those gently sloping submarine regions at the edges of the continents.
海底钻探平台将寻找石油的区域延伸到了海洋大陆架上——陆地附近浅海下缓缓的斜坡。
来源于：阅读OFFICIAL4 P3vt. 用潜艇攻击
vi. 驾驶潜艇； 划入底下；
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