柯林斯詞典dredger /?dr?d??/ (dredgers) 1. N-COUNT A dredger is a boat with a special machine attached to it, that is used to increase the size of harbours, rivers, and canals. 挖泥船2. N a container with a perforated top for sprinkling flour, sugar, etc (撒面粉、糖等用的)撒粉器 返回 dredger劍橋詞典a boat or a device that is used to dredge rivers , lakes , etc. 挖泥船;疏浚機(jī) 返回 dredger