今天我们要学的词是 unbeatable. Unbeatable 无敌的，打不垮的。Japanese researchers created a robot that is unbeatable at the game of rock-paper-scissors. 日本科研人员研制出一种机器人，玩石头剪子布永远不会输。After 5 exhibition games, though the U.S. men's basketball team was unbeaten, They were not unbeatable. 五场表演赛下来，美国男子篮球队一场没输，但这并不意味着他们天下无敌。Japan scored a major upset over World Cup Champion Spain, proving that Spain is not unbeatable. 日本大暴冷门，打败世界杯冠军西班牙足球队，证明西班牙队并非天下无敌。好的，今天我们学习的词是 unbeatable, unbeatable, unbeatable...