VOA慢速英语:特朗普让参议院投票变得困难

respond - v. to say or write something as an answer

contention - n. belief, opinion or idea that is argued or stated

fraud - n. the crime of using dishonest methods to take something

swing state - n. a state that sees election results changing from one part to another and back

undermine - v. to make something weaker or less effective

overwhelming - adj. very great in number, effect or force

formal - adj. done in an official and usually public way

prescribe - v. to make something an official rule

noon - n. the middle of the day; 12 o'clock in the day time