单词：sailfish
n. large pelagic game fish having an elongated upper jaw and long dorsal fin that resembles a sail
sailfish的用法和样例：
例句
- The sailfish swims 109km per hour.旗鱼每小时游109公里。
- The sailfish can swim up to 68 miles per hour, making it the world's fastest fish.旗鱼游动的速度最快可达时速六十八英里，是世界上游得最快的鱼，
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