Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment.

岩石化学特征表明火山岩形成于洋岛构造环境.

This beautiful oceanic island was formed by living corals growing on top of an extinct volcanic cone that took thousands of years to develop.

这个美丽的岛屿组成，海洋活珊瑚的灭绝的火山锥了几千年的发展顶部增长。

The adakites of Papua New Guinea are both located at the oceanic island arc and continental margin orogens in an arc-continent collision setting.

巴布亚新几内亚埃达克岩主要形成于弧-陆碰撞环境的大洋岛弧和大陆边缘造山带。

In other words, if you know how many native plants are on an oceanic island then you can predict almost perfectly how many exotic plants are there.

换句话说，如果你知道大洋中某个岛屿上有多少本地种植物，你就可以几乎准确预测那里有多少非本地种植物。