解释一下这篇英语课文的意思

解释一下这篇英语课文的意思
What's the matter?why are you laughing?We're going to have a baseball team.So why in that funny why are you wearing cups on your heads?Amy said ,"Bring cups for the baseball game.So I brought these cups.I don'tundeistand.I didn't say"cups"Isaid"cups".I wanted you to bring the base caps.So now we are going to play baseball like this.It's easy to make mistakes with English.I make lots of mistakes with Chineses.And look what I've got in my bag!What?The baesball caps!Great!