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

• 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。
• 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。
• So now, for the first time, we have three-dimensional and time-dependent simulated information about how magnetic reversals can occur.
  所以现在，我们已经初次具有了有关磁场怎样能发生倒转的三维和随时间变化的模拟信息。
• 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。
• 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。
• The problem of perfect sorting by reversals and deletions was considered, and one kind of polynomial algorithm was given.
  研究了基于翻转和删除形式的染色体完美重组问题，并给出了多项式算法。
• 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。
• "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”。
• 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。
• 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。