diǎn tóu zhāo mǒu rén
nínshìfǒuzàixúnqiú:点头点头招呼点头招呼某人点头 点头招呼 点头招呼某人gèngduōjiéguǒ...
yīngwénjièshì:
  1. n.  acknowledge sb with a bow
  2. n.  bow