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

• 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。
• 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。
• 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。
• It is one of the best tools in technical analysis for catching reversals.
  技术分析时，它是抓反转最好的工具。
• 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。
• Service in systems involving frequent flow reversals and pulsation should be avoided.
  应该避免应用在会频繁出现倒流和间断的应用场合。
• And they believe that there are still many challenges and the potential for reversals in the future.
  他们相信他们仍面临很多挑战，而且未来情况发生逆转的可能性依然存在。
• 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。
• We know the macroeconomic effects of these reversals are not good, but the scope and exact types of influence remain murky.
  我们知道这些逆转产生的宏观经济效应是不利的，但影响的范围和确切类型仍模糊不清。
• Although magnetic reversals have occurred many times in the geologic past, it is not yet possible to predict when the next reversal will occur.
  尽管在过去地质时期地磁场发生了多次倒转，但要预测下次倒转将在何时发生也还是不可能的。