VOA慢速英语:William Taft: Heavy

mentor - n. someone who teaches or gives help and advice to a less experienced and often younger person

contrast - n. the act of comparing people or things to show the differences between them

contradicted - v. to not agree with (something) in a way that shows or suggests that it is false or wrong

advance - v. to help the progress of something

network - n. a system of lines, wires, etc., that are connected to each other

pejorative - adj. insulting to someone or something

reversed - v. to cause (something, such as a process) to stop or return to an earlier state

tariffs - n. a tax on goods coming into or leaving a country

progressive - n. a person who favors new or modern ideas especially in politics and education

comfortable - adj. allowing you to be relaxed : causing no worries, difficulty, or uncertainty