今天我们要学的词是 unrivaled.

unrivaled 的意思是无敌的，无以伦比的。Declaring that space is the new warfighting domain, President Donald Trump vowed the U.S. will develop an unrivaled missile defense system to protect against threats from competitors and adversaries. 美国总统特朗普宣布太空是一个新的作战领域，并誓言美国将研发无与伦比的导弹防御系统，以防范来自竞争对手和敌手的威胁。

U.S. officials regard Saudi cooperation on counter-terrorism as invaluable given the human intelligence Saudi operatives provide by exploiting an unrivaled network of connections. 美国官员认为沙特在反恐方面的合作非常宝贵，因为沙特特工人员可以利用他们无与伦比的关系网提供情报。