音素论

例句：

1. 1.In phonetics, the study of sounds is called phonetics.
   在语音学中，研究声音被称为语音学。
2. 2. Phonetics is the study of sounds in speech.
   语音学是研究言语中的声音。
3. 3. The phonetician analyzes the sounds of words to help people pronounce them correctly.
   语音学家分析单词的音，帮助人们正确地发音。