Unit 02: [e] [ɛ] [æ], Unit 07: [aɪ] [aʊ] [ɔɪ]. Unit 03: [ɑ] [o] [ɔ], 拼音與劃音節影片教學 · Unit 04: [u] [ʊ], 吉娜老師KK音標家教.
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