抛石机的英文

• catapult
• v： trebuchet

• 抛石    rock rip-rap; riprap
• 机    machine; engine
• 中世的抛石机    trebuchet
• 抛石    rock rip-rap; riprap◇抛石机 basilisk
• 抛石坝    rock weir
• 抛石船    stone dumper
• 抛石堤    dumped rock embankment
• 抛石堆    rock windrow
• 抛石基    pierre perdue
• 抛石体    bulk rockfill; enrockment; stone riprap
• 除石机 集石机    rockmover
• 捡石机, 集石机    rockover picker
• 锯石机 锯石机    stonesawingmachine
• 清石机 除石机    derocker
• 集石机 集石机 捡石机    stonecollector
• 集石机 集石机 选石机    stonepicker
• 采石机    quarry machine; quarrying machine; stone catcher
• 除石机    derocker; rock mover; rock trap; rocking mover; rubble reel; stone cleaner; stone eliminator; stone extractor; stone guard; stone picker; stone-picking machine; stoner
• 干石机    stone drier
• 割石机    jadder; rock cutter; stone cutter; stone cutting machine
• 集石机    rock mover; stone collector; stone picker; stone picking machine
• 夹石机    stone crusher
• 捡石机    rock picker; sweep stone picker
• 截石机    stone cutter
• 锯石机    stone sawing machine

• The besieging forts would have a great big sling
  那些攻城军应该有巨大的抛石机
• The besieging forts would have a great big sling . .
  那些攻城军应该有巨大的抛石机… …
• Known as a trebuchet , and they used it to fire rocks over the ramparts
  他们就用抛石机直接把石头抛进城里
• . . . known as a trebuchet , and they used it to fire rocks over the ramparts
  他们就用抛石机直接把石头抛进城里

• 抛石机什么意思：[ballista] 古代投掷物体的发射器，用作发射长箭或重型球状物。希腊抛石机基本上为一绑在基座之上的巨大的弩弓；罗马抛石机使用扭力发射，以两束粗大绞索将强力弹臂之两端绞至并拢，然后弹射投掷物。最大的抛石机可将27千克重物相当准确地发射到约450米开外的目标。