| 单词 | Rubicon |
| 释义 | Rubicon /rooh"bi kon'/, n. 1. a river in N Italy flowing E into the Adriatic. 15 mi. (24 km) long: in crossing this ancient boundary between Cisalpine Gaul and Italy, to march against Pompey in 49 B.C., Julius Caesar made a major military commitment. 2. cross or pass the Rubicon, to take a decisive, irrevocable step: Our entry into the war made us cross the Rubicon and abandon isolationism forever. |
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