砰然声,重落砰的摔下,砰的落下,砰的倒下
flump v 1: fall heavily [syn: {flump down}] 2: set (something or oneself) down with or as if with a noise; "He planked the money on the table"; "He planked himself into the sofa" [syn: {plank}, {plonk}, {plop}, {plunk}, {plump down}, {plunk down}, {plump}]