VOA慢速英语:Abraham Lincoln: Martyr

formal - adj. received in a school
frontier - n. a distant area where few people live
cabin - n. a small, simple house made of wood
belle - n. a very attractive and popular girl or woman
abolitionist - n. a person who wants to stop or abolish slavery
entire - adj. complete or full; not lacking or leaving out any part
nurse - n. a person who is trained to care for sick or injured people