坚固的

• It is a good , strong ship , though not very fast
  这是一艘又好又坚固的船，虽然速度并不快。
• I am a wonder to all ; but you are my strong tower
  许多人以我为怪。但你是我坚固的避难所。
• Door . it is thick and solid metal and strong
  一扇门。这是一扇厚重、结实、坚固的金属大门。
• Calcium helps the body to make bones strong and hard
  钙有助于肌体生成即强壮又坚固的骨头。
• Only the solid houses like these can stay here stably
  只有坚固的石屋才能在这里屹立不倒啊。
• A door . it is thick and solid metal and strong
  一扇门。这是一扇厚重、结实、坚固的金属大门。
• The equipment must rest on horizontal and firm ground
  此设备必须放置在水平并且坚固的地面上。
• There is no fortress so strong that money cannot take it
  无论多么坚固的城堡没有金钱买不到的
• Make it bigger and stronger than ever
  做成有史以来最大，最坚固的
• A sturdy cylindrical container for storing liquids ; a barrel
  桶贮存液体的坚固的圆筒状容器；桶