thwack
noun [ C ] uk/θwæk/ us/θwæk/
拍打，重击
the short, loud sound of something like a stick hitting a surface
I heard the thwack of the whip against the horse's side. 我听到鞭子使劲抽在马身上的声音。
Synonym: smack (HIT FORCEFULLY)
thwack
verb [ T ] uk/θwæk/ us/θwæk/
拍打，重击
to hit something, making a short, loud sound
Synonym: smack