VOA慢速英语:Study: Elephants Disappearing from Parts of Africa(翻译)

extinction – n. the state or situation that results when something (such as a plant or animal species) has died out completely

carcass – n. a bodies of a dead animal

ivory – n. a hard white substance that forms the tusks of elephants and other animals-- it is valuable and sold for making jewelry and other goods

poaching – v. hunting or fishing illegally

savannah – n. a large flat area of land with grass and very few trees especially in Africa and South America