greek fire is one of the most terrifying weapons available in the medieval world the byzantines first used it in naval battles but soon found applications for its use on land consisting of a small hand pump connected to a container it is capable of burning even underwater and sticks to its target while being almost impossible to put outrequires constantinople armour upgrade

希腊火是中世纪世界最可怕的武器之一，拜占庭人首先在海战中使用它，但很快就发现了它在陆地上的应用，包括一个连接到容器的小型手泵，它即使在水下也能燃烧，并粘在目标上，几乎不可能被击退，这需要君士坦丁堡的装甲升级

以上为机器翻译结果，长、整句建议使用 人工翻译 。