Marine

我的表弟刚成为一名海军陆战队员。

My cousin just became a ___Marine.

他叔叔是一名海军陆战队员，曾在多个国家服役。

His uncle is a ___Marine who has served in several countries.

珊瑚礁为许多海洋生物提供了栖息地。

The coral reef provides a habitat for many ___marine creatures.