长期

• She had a smooth, long suffering countenance .
  她长着一张平和的，象是长期受苦的脸。
• Some retarders permanently weaken the concrete .
  某些缓凝剂对混凝土起长期的弱化作用。
• The ground is as hard as stone after the drought .
  长期干旱之后土地硬得就像石头一样。
• At long last all our forces were reunited .
  经过长期战斗后，我们所有的部队终于会师了。
• In the u.k. a kind of conscription was long in force .
  在联合王国，一种征兵制长期有效。
• Alex, from long habit, stood up respectfully .
  亚历山大由于长期的习惯很尊敬地站了起来。
• His prolonged visit to england had been most valuable .
  他在英国的长期逗留是最难得的事。
• What constitutes the good life is a perennial question .
  幸福生活的形成是一个长期的问题。
• He had put up such a long, unsatisfactory fight .
  他曾经进行了这么一次长期的、不如意的斗争。
• The result of this experiment was not noticeable for a long period .
  这个实验结果长期不显著。