美音糾音、透析與突破 Chapter4 Unit 21 Intonation of a Word 單詞的升降調(diào)
單音節(jié)詞：
go book come pen child desk want thrift
try cup John
雙音節(jié)詞：
teacher begin window forget leaving baby ago reading sister
多音節(jié)詞：
professor medcine October scientific Italian hospital
umbrella practicing interesting
