declared war upon

• v. 对 ... 宣战

declared war upon的用法和样例：

例句

用作动词 (v.)

1. The power to declare war resides in Congress.
   宣战的权力属于国会。
2. Our government has declared war on Ruritania.
   我国政府已对鲁里坦尼亚宣战。