thwack(名词/动词):指“重而响的拍打/撞击声”,或“发出这种重击声;重击、猛打”。(也可指一次重击。)
/θwæk/
The ball hit the bat with a loud thwack.
球撞到球棒上,发出一声很响的“啪”的重击声。
He heard the thwack of a branch against the window, which made him look up from his book.
他听到树枝抽打窗户的“啪”一声重响,便从书中抬起头来。
thwack 属于英语中模仿声音的词(拟声词),用来模仿“重物拍打、猛击”时那种短促而结实的声响。常见于口语、叙述动作的文字以及漫画式的表达中。