ballista

1. These boats carry ballista for firing grappling hooks to pull enemy ships into contact, enabling boarding actions.
   龙首战舰通常用弩炮发射抓钩强行与敌船靠拢，然后展开接舷恶战。
2. Ballista: Ancient missile launcher designed to hurl long arrows or heavy Balls.
   投石机：古代投掷物体之发射器，用作发射长箭或重型球状物。
3. Constructing Ballista Towers atop settlement walls allows a defending force to shower any attackers with iron bolts, a sensible improvement for almost any siege scenario.
   城墙顶端修建投石塔可当敌军攻击时予以密集杀伤，极大提高城邑防御能力。
4. Unlike the crossbow the Ballista derives its force from twisted animal sinew and not tension from the frontal arms.
   不同于***所利用的弩臂弹力，蝎子弩发射的动力来自于动物筋腱扭曲产生的扭力。
5. Though the ballista are assembled here, their crews are trained outside of the city walls – The only safe place to master the use of such equipment.
   弩炮在工坊内进行装配，弩炮部队训练却必须于城外进行，因为唯有那里方可提供足够开阔场所以供部队进行射击训练。

noun

1. an engine that provided medieval artillery used during sieges

   Synonym:    catapultarbalestarbalistbricolemangonelonagertrebuchettrebucket