VOA慢速英语:科学家竞相记录波多黎各的海岸遗产

habitat – n. the place or type of place where a plant or animal naturally or normally lives or grows

indigenous – adj. produced, living, or existing naturally in a particular region or environment

initiative – n. a plan or program that is intended to solve a problem

invisible – adj. impossible to see; not visible

three-dimensional – adj. having or seeming to have length, width, and depth