扑通

扑通 [pū tōng] 象

1. ■ flop; thump; splash; pit-a-pat:

扑通一声， 掉进水里 fall into the water with a splash; fall into the water with a plump;

扑通一声， 跌倒在地上 fall with a flop on the ground;

她的心扑通扑通地跳。 Her heart went pit-a-pat.