16-美式音标 [ b ]

�同学们早上好，今天的朗读内容如下：【音标】/b/【单词】boil bear public bend【句子】�She always does everything by the book. 她总是按规矩办事。�He bet them $500 they would lose. 他跟他们打赌500英镑他们会输。