ballista

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。

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。

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。

Unlike the crossbow the Ballista derives its force from twisted animal sinew and not tension from the frontal arms .

不同于十字弩所利用的弩臂弹力，蝎子弩发射的动力来自于动物筋腱扭曲产生的扭力。

grating in the air vent , maybe a ballista or a catapult , um ... Somebody tiny could crawl in there .

通气扇的格栅进入……也许是用抛石机或弹弓呃…身材矮小的人可以爬进去

When a lever was turned , the ends of the arms rotated toward the back of the ballista and twisted the ropes to create torsion .

当转动杠杆时，弓臂两端往弩炮后面转从而使绳子紧拧产生扭力。

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。

Invented and perfected throughout the height of the Greek and Roman empires , the ballista was basically a giant crossbow mounted on a cart .

经过希腊和罗马帝国鼎盛时期的发明和完善，弩炮基本成形：安装在车上的巨弩。