“频仍”造句

中东这一地区一直战乱频仍。
The Middle East has often been a theatre of war.

机器常裸露着，因此事故频仍。
Machinery was often unprotected and accidents were frequent.

北匈奴继续与汉为敌,不断侵扰边境,双方战争频仍.
The Northern Xiongnu went on opposing against the Han Dynasty and invaded the border area often.

• #频仍