VOA慢速英语:三角洲蓝调-美国音乐的诞生

beer- n. an alcoholic drink made from malt and flavored with hops​

jukebox - n. a machine that plays music when money is put into it​

lyric - n. the words of a song​

verse - n. writing in which words are arranged in a rhythmic pattern​

pentatonic scale - n. a musical scale of five tones in which the octave is reached at the sixth tone​

ain’t - contraction. am not; are not; is not.​

parallel - adj. very similar and often happening at the same time​

blessed - adj. very welcome, pleasant, or appreciated​

genre - n. a particular type or category of literature or art​

preserve - v. to keep something in its original state or in good condition​