heavy casualties

• 重大伤亡

heavy casualties的用法和样例：

例句

1. Both sides suffered heavy casualties in the border armed conflict.
   在这次边界武装冲突中双方都遭到了重大伤亡。
2. Chechen sources say they have broken the Russian siege of Grozny, and inflicted heavy casualties on federal forces.
   而车臣军队宣称他们已经突破了格罗兹尼外围的包围圈，并造成俄军重大伤亡。