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 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。
• This is why we're seeing these abrupt, illogical, irrational, inexplicable reversals.
  因此，这些公司在发展中会出现一些突兀、不合逻辑、违背常理、令人费解的摇摆和反复。
• 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。
• 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。
• 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。
• The coincidence of timing suggests that the reversals are related.
  时间上的巧合暗示着两者的逆转是相关联的。
• 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。
• 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。
• 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。
• 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。