VOA慢速英语:一个家庭拯救濒危动物的努力

ranch – n. a large farm especially in the U.S. where animals (such as cattle, horses, and sheep) are raised

twin – n. either one of two babies that are born at the same time to the same mother

zoo – n. a place where many kinds of animals are kept so that people can see them

decline – v. to become lower in amount or less in number

blessed – adj. bringing pleasure, contentment, or good fortune

vulnerable – adj. open to attack, harm, or damage

conservation – n. a careful preservation and protection of something

comfortable – adj. not having any physically unpleasant feelings : experiencing physical comfort : allowing you to be relaxed : causing no worries, difficulty, or uncertainty