以英語為第二語言(英語:English as a Second Language, ESL)、以英語为外語(英語:English as a Foreign Language, EFL)、以英語為附加語言(英語:English as an Additional Language, EAL)、或操其他語言者英語(English
Luxembourgish, Journal of the International Phonetic Association, 2013, 43 (1): 67–74, doi:10.1017/S0025100312000278 Hughes, Arthur; Trudgill, Peter, English Accents
1017/S0025100300004618 Cox, Felicity; Palethorpe, Sallyanne, Australian English, Journal of the International Phonetic Association, 2007, 37 (3): 341–350, doi:10
Pronunciation of English 8th, Routledge, 2014, ISBN 9781444183092 Grønnum, Nina, Illustrations of the IPA: Danish, Journal of the International Phonetic