VOA慢速英语:Why Is 'Colonel' Pronounced 'Ker'nel?'

age-old – adj. very old : having existed for a very long time

pronounce – v. to make the sound of (a word or letter) with your voice : pronunciation – n. the way in which a word or name is pronounced

contestant – n. a person who takes part in a contest

confusing – adj. difficult to understand

column – n. a long row of people or things — often + of : a column of troops/cars

versus – prep. used to indicate two different things, choices, etc., that are being compared or considered

bottom of my heart – informal expression with sincere, deep feelings

crazy – adj. very strange or unusual