n.重击声；砰的一声；v.砰然下落；发出砰声； 变形： 复数：thuds过去式：thudded过去分词：thudded现在分词：thudding第三人称单数：thuds 英英释义： thud[ θʌd ]n.a heavy dull sound (as made by impact of heavy objects)同义词：thumpthumpingclumpclunkv.make a dull sound"the knocker thudded against the front door"同义词：th