“语音学”的英语？

“语音学”的拼音为：yǔ yīn xué...

语音学是研究语言声音的.Phonetics deals with speech sounds.语音学是一门语音的科学.Phonetics is the science of sounds.我从图书馆借了一本语音学入门书.I borrowed from the library a primer of phonetics....