词典释义：
an aquatic or terrestrial annelid worm with suckers at both ends. Many species are bloodsucking parasites, especially of vertebrates, and others are predators.
水蛭。
a person who extorts profit from or sponges on others
榨取利润者，吸血鬼，寄生者
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they are leeches feeding off the hard-working majority .他们是依靠劳苦大众生活的吸血鬼。
habitually exploit or rely on
剥削；依附于
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he's leeching off the abilities of others .他依靠别人的能力。
〈古〉 医生。
【航海】 纵帆下风缘；横帆两侧边缘。
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like a leech persistently or clingingly present 钉住不放； 纠缠不休he's been hanging around Caroline like a leech ． 他一直缠住卡罗琳不放
"Old English
