埃尔 is the standard Mandarin rendering of short syllables Al / El / Air. Often appears as a fragment of a longer transliterated name (
埃尔顿 'Elton',
埃尔莎 'Elsa',
埃尔多安 'Erdoğan') - when seen alone in subtitles, it usually marks an English nickname like 'Al' (short for Albert/Alfred).
