美国英语音标外教发音详解遥：'ah' as in father 学习音标[a]美国英语音标外教发音详解遥：'ah' as in father 学习音标[a]包含发音[a]的英语单词，mom, collar, bother, bottle练习发音的简单句子：You can see my apartment from the top of the Rock when there's no fog.
