他们保卫这座城市，免遭敌人的攻击。的翻译：They defend the city against enemy attack. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They defend the city, from the enemy's attack.

They defend the city against enemy attack.

They defend this city, avoids enemy's attack.

They defend the city against enemy attacks.

They defend the city against enemy attack.