If I were to pronounce it the same, it would have sounded like 'kam'.

如果我把它读成一样的话，听起来会像“kam”。

Make sure that you do stick the tongue forward for the front vowel 'a', 'kam', and you don't centralize it to something like 'compass'.

发前面的元音“a”、“kam”时，要确保舌头向前伸，不要把舌头集中到“compass”这样的音上。