Sometimes two sounds merge together to form a new sound, for example you may know that in British English we pronounce Tuesday, t, j, Tuesday but in American English, they say Tuesday.

有时两个音合并成一个新的音，例如，你可能知道在英式英语中我们读星期二发，t，j，星期二，但是在美式英语中，他们发 Tuesday 不太一样。