thudKK [ˋθʌd] /ˈθʌd/名詞1砰的一聲、悶響、重擊聲The heavy book fell off the shelf with a loud thud.那本厚書從架上掉下來,發出砰的一聲。動詞1砰地落下、發出悶響A ripe mango thudded onto the grass beside us.一顆熟透的芒果砰地掉在我們旁邊的草地上。2重重地走、咚咚作響He thudded up the stairs in his heavy boots.他穿著厚重的靴子咚咚地走上樓梯。3怦怦跳多指心跳Her heart thudded as she opened the envelope.她拆開信封時,心臟怦怦直跳。