thwack /θwæk/ (thwacks)

• 1.  

  N-COUNT/SOUND（） N-COUNT/SOUNDA thwack is a sound made when two solid objects hit each other hard. (硬物互相击打发出的)撞击声; 拍打声

  例：

  I listened to the thwack of the metal balls.

  我听着金属球相撞的声音。