英語笑話(12.13):他為啥喊

Why Is He Howling　
    Dentist: Please stop howling. I haven't even touched your tooth yet.
    Patient: I know, but you are standing on my foot!
    他為啥喊
    牙醫(yī)：請你不要再喊了！我還沒碰你的牙呢．
    病人：我知道，可是你正踩著我的腳呀！