英语笑话:Why Is He Howling 他为什么喊

Why Is He HowlingDentist: Please stop howling. I haven't even touched your tooth yet. Patient: I know, but you are standing on my foot!他为什么喊牙医：请你不要再喊了！我还没碰你的牙呢。病人：我知道，可是你正踩着我的脚呀！