thud

砰的一声；重击英释中释nthe low sound made by a heavy object hitting something else

砰的一声掉下；发出砰声英释中释vIf something thuds somewhere, it makes a dull sound, usually when it falls onto or hits something else

1 His head hit the floor with a sickening thud ..他的头撞在地上，发出一声让人心惊的闷响。

2 She ran up the stairs, her bare feet thudding on the wood..她跑上楼梯，光脚在木头上发出噔噔的声音。