Bú-im
(對 Bó-im 轉來)
外部 連結 [修改]
- IPA chart withMP3 sound files
- IPA vowel chart with AIFF sound files
- Materials for measuring and plotting vowel formants
- Vowels and Consonants Archived 2005-07-03 at the Wayback Machine.Online examples from Ladefoged's Vowels and Consonants, referenced above。