dredgingWiktionary 原文英美n.挖泥，捕捞中文释义来自 ECDICT释义名词noun1That which is dredged up.2uncountableThe act of using a dredger or excavator to dredge a harbour, river, channel or watercourse.动词verb1present participle and gerund of dredge同族词派生词 2data dredging·gold-dredging