sea lamprey
sea-lamprey的词性:n.(名词)
1. A large marine lamprey (Petromyzon marinus) common in the Great Lakes and parasitic to freshwater fish. 海七鳃鳗:一种大的海栖八目鳗(海七鳃鳗 七鳃鳗属) ,一般生活在五大湖区,寄生于淡水鱼