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adj.危险的，冒险的
1、perils───n.事故；风险（peril的复数）；v.冒险；置…于危险中（peril的第三人称单数）
2、periods───n.周期（period的复数）
3、pericons───危害
4、perigons───n.三百六十度角，[数]周角
5、periculous───奇迹般的
6、periplus───外缘。
7、perillas───n.（植）[植]紫苏属
8、perilously───adv.危机四伏地；充满危险地
9、unperilous───不愉快的。
1、And a ship without rudder may wander aimlessly among perilous isles yet sink not to the bottom.───即使没有舵，船只也只是在险岸边漂摇不定，而不会沉沦海底。
2、When my heart is borne away by the flood of happiness, do not smile at my perilous abandonment.───当我的心被快乐的洪水卷走的时候，不要笑我的汹涌的退却。
3、Serving as a company director can be perilous. But for an investor, not taking up such a role is often worse.───担任公司董事可能充满危险。但对于投资者而言，不担任这种职务往往更为糟糕。
4、Our choice in 1972 was to help Iran arm itself or to permit a perilous vacuum.───1972年我们面临的抉择是：要么帮助YiLang自己武装起来，要么就得容忍一种危险的真空状态。
5、In its statement the association, known as BALPA, warns that unless safety improves, travellers face a perilous future.───BALPA 协会在它的声明中警告说，除非安全措施得到改善，否则旅行者的未来将十分危险。
6、He examines the history, movements and trends over the last generation that have brought Europe to its current perilous state.───对于造成当前欧洲危急的上一代人，他重新审视了他们所经历的那段历史，运动和潮流变化。
7、It has the wisest way, however perilous it might be, to retire with an air of confidence.───尽管十分危险，最聪明的办法还是装作毫不介意地回来。
8、The road grew even steeper and more perilous.───这条路变得更陡更险了。
9、Tom noticed this, and it strongly inclined his sympathies toward her in her perilous and unfriended situation.───汤姆注意到了这一点，他对她这种在危难中而又没有朋友的处境深表同情。
1、The road grew even steeper and more perilous.