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n. 挖泥机, 拖网
vt. 用挖泥机疏浚, (用船)采捞

n. a power shovel to remove material from a channel or riverbed
v. cover before cooking
v. search (as the bottom of a body of water) for something valuable or lost
v. remove with a power shovel, usually from a bottom of a body of water

现在分词: dredging 过去式: dredged 过去分词: dredged 第三人称单数: dredges 复数: dredges