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

• Many analysts see reversals like the one Wednesday as a welcome respite.
  许多分析师认为，要扭转一个星期三是一个受欢迎的喘息。
• The agencies, seeking to avoid reversals, would inevitably gravitate towards using highly adversarial procedures in every case.
  试图避免撤销裁定的机关将必然受吸引倾向于在每一个案件里利用高度对抗性的程序。
• To undergo frequent abrupt shifts or reversals, as of opinion or emotion; vacillate.
  犹豫不决经常突然变换或彻底改变看法或感情；犹豫。
• In addition, the computer model has produced three spontaneous reversals of the geomagnetic field during the 300,000-year simulation.
  此外，计算机模型已经在30万年的模拟过程中产生了三次地磁场的自发倒转。
• 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。
• 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。
• In this group, the reversals stem mainly from losses to previous gains in political empowerment.
  倒退主要是因为此前在政治赋权方面取得的进展又丢失了。
• 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。
• 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。
• Past reversals have taken place over a short period of time geologically speaking, 10000 years or so.
  过去的倒转在地质学上的说法是发生在一个短的时期，大约1万年。