Diphthong /eə/ (Nguyên âm đôi /eə/) .Unit 19 Diphthong /eə/ Nguyên âm đôi /eə/ Introduction /eə/ is a long vowel sound. It starts with /e/ and moves to /ə/. It’s pronounced /eə/./eə/. air /eər/ care /keər/ hair /heər/ airport / eəp t/ barely / beəli/ upstairs / p steəz/.