新的纳瓦霍国家癌症中心意味着离家庭更近的治疗

chemotherapy - n. the use of chemicals to treat or control a disease (such as cancer)

impact - v. to have a strong and often bad effect on (something or someone)

graduation - n. the act of receiving a diploma or degree from a school, college, or university

alleviate - v. to reduce the pain or trouble of (something) : to make (something) less painful, difficult, or severe

burden - n. something that is very difficult to accept, do, or deal with

succumb - v. to die