articulatory       
adjective  anatomy, language, phonetics specialized uk/ɑːˈtɪk.jə.lə.tər.i/ us/ɑːrˈtɪk.jə.lə.tɔːr.i/
 发音的
relating to the pronouncing of speech sounds
  The sound /s/ is produced in the front part of the articulatory apparatus. s这个音是发音器官的前部发出来的。 
 Articulatory development is delayed in hearing-impaired children. 有听力障碍的孩子对发音的学习也被延迟了。