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nínshìfǒuzàixúnqiú:碰撞碰撞或敲击某物碰撞 碰撞或敲击某物gèngduōjiéguǒ...
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yīngwénjièshì
  1. v.:  sth knock or strike sth with a dull-sounding blow,  collide with sth,  bump
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