永久

• The permanent bridges were heavily guarded and mined .
  永久的桥梁都有重兵驻守，而且都埋有地雷。
• A good shift may serve long, but it will not serve ever .
  一个好计策可能长期有用，但不能永久有效。
• Secular disequilibrium of uranium can lead to erroneous results .
  铀的永久不平衡会导致错误的结果。
• The reform may be seen as temporary rather than permanent .
  改革可能被认为是暂时的，而不是永久的。
• Perhaps this is caused by the sudden melting of subsurface permafrost .
  可能是地下永久冻土突然融化所造成。
• These three were the permanent elements of the alexandrian blend .
  这三者是亚历山大城的混合体的三个永久的成分。
• I am not a permanent employee ; i am working here on a fixed-term contract .
  我并不是永久雇员，而是根据定期合同在此工作的。
• The legitimate theatre, however, produced very few plays of permanent interest .
  可是正规的剧院却极少上演有永久价值的剧本。
• Lysogeny is a semi-permanent association between the phage and host chromosoes .
  溶源性是噬菌体和寄生染色体之间的半永久联合
• It was one of those rare smiles with a quality of eternal reassurance in it .
  这是极为罕见的笑容，其中含有永久的善意的表情。