英语语法分析

Many oceanic islands are volcanic.

很多海洋岛屿是火山岛。

《柯林斯英汉双解大词典》

There are three basic processes that cause a change in oceanic salinity.

导致海洋盐度变化有三个基本过程。

Soon layer of oceanic ooze began to accumulate above the old hard layer.

很快，海洋软泥层开始在原先的硬地层上面堆积起来。