adult speech aid prosthesis的用法和样例：
- A speech aid prosthesis fabricated for patients can improve nasal emission during speech, and assist in preventing nasal regurgitation of food.
- pharyngeal speech aid prosthesis
- speech aid prosthesis
- Selective imitation suggests that children do not blindly mimic adult speech in a parrot fashion, but rather exploit it in very restricted way to improve their linguistic skills.