柯林斯英汉双解大词典

sailfish /ˈseɪlˌfɪʃ/

1.N any of several large scombroid game fishes of the genus Istiophorus, such as I. albicans (Atlantic sailfish), of warm and tropical seas: family Istiophoridae. They have an elongated upper jaw and a long sail-like dorsal fin 旗鱼

Pacific Sailfish 太平洋旗鱼