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单词 Rubicon
释义 Rubicon/ˈru:bik(ə)n, -ɒn/n. 1 a boundary which once crossed signifies irrevocable commitment; a point of no return (一旦跨越便无法返回的)界线 2 ( rubicon) the act of winning a game in piquet before an opponent has scored 100 (皮克牌戏中在对手得到 100 分前的)获胜 [the ancient name of a stream forming the boundary of Julius Caesar's province and crossed by him in 49 BC as the start of a war with Pompey]
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