详细解释:n. 挖泥机, 拖网
vt. 用挖泥机疏浚, (用船)采捞
【机】 砂耙
词型变化：
动词过去式:dredged过去分词:dredged现在分词:dredging第三人称单数:dredges英语解释：
名词 dredge:
a power shovel to remove material from a channel or riverbed动词 dredge:
cover before cookingsearch (as the bottom of a body of water) for something valuable or lost同义词：drag