VOA慢速英语:科学家制造出稀有犀牛的新胚胎

viable – adj. technical : capable of living or of developing into a living thing

inseminate – v. technical: to put semen into (a woman or a female animal) in order to cause pregnancy

surrogate – adj. always used before a noun a person or thing that takes the place or performs the duties of someone or something else

eligible – adj. suitable and desirable for marriage

bachelor – n. a man who is not married

fundraising – n. activity done to collect money for a political party, charity, school, etc.