词条 | Retroflex trill | ||||||||||||||||||||||||
释义 |
|above=Retroflex trill |ipa number=125 433 122 |ipa symbol=ɽ͡r |decimal1=637 |decimal2=865 |decimal3=114 }} The retroflex trill is a sound that has been reported in Toda and confirmed with laboratory measurements. Peter Ladefoged transcribes it with the IPA symbol that is normally associated with the retroflex flap, {{angle bracket|{{IPA|ɽ}}}}. Although the tongue starts out in a subapical retroflex position, trilling involves the tip of the tongue and causes it to move forward to the alveolar ridge. Thus, the retroflex trill gives a preceding vowel retroflex coloration, like other retroflex consonants, but the vibration itself is not much different from an alveolar trill. Thus, the narrower transcription {{angle bracket|{{IPA|ɽ͡r}}}} is also appropriate. Wahgi has a similar trilled allophone of its lateral flap, {{IPA|[{{PUA|̥}}r̥]}}, but it is voiceless. Wintu and Lardil are other languages with a reported (apico-)retroflex trill where the tongue apex "approaches" the hard palate, but it is not subapical, unlike in Toda. The trill has a retroflex flap allophone that occurs between vowels. Several languages have been reported to have trilled retroflex affricates such as {{IPA|[ɳɖ͡ɽ̝]}} and {{IPA|[ʈ͡ɽ̝̊]}}, including Mapudungun, Malagasy and Fijian. However, the exact articulation is seldom clear from descriptions. In Fijian, for example, further investigation has revealed that the sound (written {{anglebracket|dr}}) is seldom trilled but is usually realized as a postalveolar stop {{IPA|[n̠d̠]}} instead. In Mapudungun, the sound (written tr) is strongly retroflex, causing {{IPA|/l/}} and {{IPA|/r/}} following the subsequent vowel to become retroflex as well. The southern dialect varies between {{IPA|/ʈɽ/}} and {{IPA|/ʈʂ/}}, but it is not clear whether the letter {{angle bracket|{{IPA|ɽ}}}} represents a trill or a non-sibilant fricative. Occurrence
Notes1. ^1 {{Harvcoltxt|Goeman|van de Velde|2001|p=107}} 2. ^{{Harvcoltxt|Goeman|van de Velde|2001|pp=95, 97, 101, 107}} 3. ^1 {{Harvcoltxt|Ladefoged|Maddieson|1996|p=223}} 4. ^{{Harvcoltxt|Pitkin|1984|p=?}} References
|last1=Goeman |first1=Ton |last2=Van de Velde |first2=Hans |chapter=Co-occurrence constraints on {{IPA|/r/}} and {{IPA|/ɣ/}} in Dutch dialects |pages=91–112 |editor-last2=van Hout |editor-first2=Roeland |editor-last1=van de Velde |editor-first1=Hans |year=2001 |title='r-atics |publisher=Etudes & Travaux |place=Brussels |issn=0777-3692 |url=https://www.researchgate.net/publication/254818745_'r-atics._Sociolinguistic_phonetic_and_phonological_characteristics_of_r }}
|last=Pitkin |first=Harvey |year=1984 |title=Wintu grammar |publisher=University of California Press. |place=Berkeley |isbn=0-520-09612-6 }}{{IPA navigation}}{{LetterR}}{{phonetics-stub}} 3 : Retroflex consonants|Trill consonants|Pulmonic consonants |
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