reversals

英 [rɪˈvɜːsəlz]

美 [rɪˈvɜrsəlz]

n.  颠倒; 彻底转变; 反转; 倒置; 倒退; 逆转; 退步; 转胜为败; (位置或功能的)转换，交换
reversal的复数

柯林斯词典

• N-COUNT （过程、政策或趋势的）反转，倒转，逆转
  Areversal ofa process, policy, or trend is a complete change in it.
  1. The Financial Times says the move represents a complete reversal of previous US policy...
     《金融时报》说此举一反美国以往的政策。
  2. This marked a 7% increase on the previous year and the reversal of a steady five-year downward trend.
     这标志着在前一年基础上有了7％的增长，扭转了5年来持续下降的趋势。
• N-COUNT （角色的）交换，互换
  When there is a rolereversalor areversal ofroles, two people or groups exchange their positions or functions.
  1. When children end up taking care of their parents, it is a strange role reversal indeed.
     当孩子们最终要照顾父母时，这的确是一种奇妙的角色互换。
• N-COUNT (通常涉及金钱损失的)失败，逆境，挫折
  Areversalis a failure, usually involving the loss of money.
  1. They teach managers to accept reversals as a fact of business life.
     他们教给管理人员要将挫折视为生意上的平常事。

双语例句

• Service in systems involving rapid and frequent flow reversals, pulsation or excessively turbulent flow should be avoided.
  应该避免应用在高流速，频繁倒流，间断或剧烈湍流的应用系统中。
• The stochastic nature of the process probably explains why the time between reversals on the Earth varies so much.
  这个过程的随机性特征可能解释为什么地球磁场倒转之间的间隔变化会如此之大。
• The reformation process has not been without its reversals and problems.
  这一改革进程并非毫无挫折和问题。
• "Several countries in Southern Africa have suffered catastrophic reversals: 20 years in Botswana, 16 in Swaziland and13 in Lesotho and Zambia," the report said.
  报告说：“南部非洲的几个国家已经遭受了灾难性的逆转：博茨瓦纳预期寿命减少了20岁，斯威士兰减少了16岁，莱索托和赞比亚是13岁”。
• We had to maintain progress, We could not afford any reversals, says Mr Albrecht.
  阿尔布雷希特说：我们必须保持进展，我们承受不起任何逆转。
• They teach managers to accept reversals as a fact of business life.
  他们教给管理人员要将挫折视为生意上的平常事。
• Our research may also eventually learn more about the causes of changes and reversals of Earth's magnetic field.
  我们的研究也会最终了解更多的有关地球磁场变化和倒转的知识。
• Chinese gaming is far from a sure thing and there have been severe policy reversals before.
  中国博彩业的前景充满了不确定性，而且曾出现过严重政策逆转。
• Reversals of the average order of the hierarchy are sometimes observed.
  有时候我们也看到一般层级顺序倒置的现象。
• What is more, the rampant growth of such patches has caused full-blown reversals in some computer simulations.
  此外，一些电脑模拟的结果也指出，这样的区块若是继续成长蔓延，就会使地磁彻底的反转。