verb · to make preparations for war or maintain a state of military readiness

军队正处于紧急备战状态。

verb · the promotion or act of preparing for war, often with a provocative or aggressive connotation

为了应对潜在的威胁，军队开始了紧急备战。

verb · to make preparations for an athletic competition or sports event

中国男足正在主场积极备战。