趣味青春英语电台 Youth English 第786期(在线收听

 词汇畅谈(Vocabulary Build-up):roof

口语训练营(Everyday English):英语情景对话:别人可以指点,但不要指指点点!
语法天地(Grammar Talk):引导让步状语从句的连词although/though, even though, even if
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