“扑通”怎么读？

小孩走了5步，接着扑通一声坐到了地上。The child took five steps, and then sat down with a bump.扑通一声，有东西重重地掉进了水里。There was a splash and something fell clumsily into the water.他的眼神让我心里扑通扑通直跳。The look in his eyes made my heart flutter....

“扑通”的英语可以翻译为：flop，thump，splash，pit-a-pat，bumpily ...