坚固的

• The walls of york were strong defences .
  约克郡的城墙曾经是坚固的防御工事。
• We are on board a stout ship .
  我们坐的是一艘坚固的巨轮。
• Here the enemy's defences were the most formidable .
  这里敌人的防御工事是最坚固的。
• The frame of an airship is made of light but strong metal .
  飞船的框架是用轻而坚固的金属制成的。
• A rigid, precise turntable is attached to the laboratory floor .
  一架坚固的精密的转台被固定在试验室地上。
• The enemy was strongly entrenched upon the other side of the river .
  敌人在河的彼岸以坚固的壕沟防护自己。
• These men sought new and sound bases for the erection of knowledge .
  这些人要为其知识的建立寻找新的坚固的基础。
• Solid rock and rushing water reflect the permanence and impermanence of life itself .
  坚固的岩石和奔腾的流水反映出生命本身的永恒和短暂。
• We should have a good pad in our right hand to protect our middle eastern interests .
  我们应当用右手拿着坚固的盾牌去捍卫我们在中东的利益。
• They are also seeking ways to build stronger fuel tanks or to make the fuel less explosive .
  他们还正在设法制造更加坚固的油箱或使燃油不易爆炸。