VOA慢速英语:Star Trek, US Elections, Jon Stewart’s Comeback

original – adj. happening or existing first or at the beginning

science fiction – adj. stories about how people and societies are affected by imaginary scientific developments in the future

phrase – n. a group of two or more words that express a single idea but do not usually form a complete sentence

dementia – n. a mental illness that causes someone to be unable to think clearly or to understand what is real and what is not real

unique – adj. used to say that something or someone is unlike anything or anyone else

peak – v. to reach the highest level