文章列表

• 1.英语发音 (1) K vs. G Sounds
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• 2.英语发音 (2) F vs. V Sounds
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• 3.英语发音 (3) Sh vs. Ch Sounds
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• 4.英语发音 (4) Th Sounds
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• 5.美国俚语 (6) For Your Health
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• 6.美国俚语 (7) On Vacation
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• 7.美国俚语 (8) On the Road
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• 8.美国俚语 (1) At the Airport
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• 9.美国俚语 (2) At School
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• 10.美国俚语 (3) At a Restaurant
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