Some analyses make a distinction between a long voweland a succession of two identical vowels, citing pairs such as熂}屋sugar shop'sato:ja]s.蝙犺oster parent'satooja]. They are usually identical innormal speech, but when enunciated a distinction maybe made with a pause or a烑ottal stopnserted between two identical vowels.摘自英文維基'Japanese Phonology'條目的'Vowel'部分。亂碼部分原因不明,請直接參考原文