diplomatic protest

• 外交抗议

diplomatic protest的用法和样例：

例句

1. The United States logged a formal diplomatic protest.
   美国对此发出了正式的外交抗议。
2. Historically, diplomatic protests were not filed in such incidents because they were so common during the Cold War era.
   在历史上，对这样的事件的外交抗议不归档，因为在冷战期间这种事太常见了。