Twelve enemy fighters had been brought down.

有十二架敌方的战斗机被击落。

《牛津词典》

This lays down that once a soldier is wounded he and everyone else who comes to his help ceases to be an enemy.

这就说明，一旦一个士兵受伤了，他与其他来帮助他的人就不再是敌人了。

youdao

Several planes were shot down by enemy fire.

几架飞机被敌人的炮火击落。

《牛津词典》

Bring the enemy down to zero life while keeping your own total above zero.

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And the two lead men were hit by enemy fire and knocked down instantly.

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The U.S. military in Baghdad said recently that all four of the helicopters lost in the past two weeks were shot down by enemy fire.

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