metacladium

例句：

1. 1. The knights of old wore metal armour to protect themselves from the enemy.
   古代的骑士们穿着金属盔甲来保护自己免受敌人的侵害。
2. 2.The soldiers were equipped with metal armor for protection against attacks.
   士兵们配备了金属装甲以抵御攻击。
3. 3.The tank was heavily armored to withstand the impact of the explosion.
   坦克被严重装甲保护，以抵御爆炸的冲击。