强国的用法和样例：
例句
-
英国与其他西方强国结成了贸易及防御联盟。
Britain has allied itself with other western powers for trade and defence. -
世界各大强国均惟恐在军备竞赛中落後。
The major world powers are afraid of falling behind in the arms race. -
法国一度是占有殖民地的强国。
France was once a colonial power. -
挑拨一个强国对抗另一个强国并不是什么新的手法。
The practice of playing off one great power against another is not new. -
英国曾是海上的强国。
England was a great maritime power.
