China and Russia

• 中俄

China and Russia的用法和样例：

例句

1. Both China and Russia are influential countries in the world.
   中俄两国都是对世界有着重要影响的大国。
2. So far,China and Russia have already made such a promise to each other.
   目前，中俄已相互作出了不首先使用核武器的保证。