第三章 重要概念检索：

phonology

assimilation

phonemes

progressive assimilation

allophones

regressive assimilation

contrastive distribution

syllable

minimal pairs

nucleus

minimal sets

onset

complimentary distribution

coda

aspirated vs. unaspirated

systematic gaps

free ariation

accidental gaps

distinctive features

suprasegmental features

devoicing

stress

nasalizing

intonation

aspirating

tone