攻守同盟

例句：

1. 1. The two countries have formed a defensive and offensive alliance to protect their interests.
   这两个国家已经形成了一个防御和进攻的同盟来保护他们的利益。
2. 2. The company has signed a defense-to-offense alliance with its rivals.
   该公司已经与竞争对手签署了一个防御到进攻的同盟。
3. 3. The government announced that it would form a defense-to-offense alliance with neighboring countries.
   政府宣布将与邻国形成防御到进攻的同盟。