ascertained

英 [ˌæsəˈteɪnd]

美 [ˌæsərˈteɪnd]

v.  查明; 弄清
ascertain的过去分词和过去式

过去分词：ascertained　过去式：ascertained　

柯林斯词典

• VERB （尤指经过努力后）查明，弄清，确定
  If youascertainthe truth about something, you find out what it is, especially by making a deliberate effort to do so.
  1. Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading...
     这样一来，老师就能确定孩子们对他所读的内容理解多少了。
  2. Once they had ascertained that he was not a spy, they agreed to release him...
     一旦确认他并非间谍，他们即同意将他释放。
  3. Take time to ascertain what services your bank is providing, and at what cost.
     花些时间确认一下你的银行会提供什么样的服务，费用是多少。

英英释义

adj

• discovered or determined by scientific observation
  1. variation in the ascertained flux depends on a number of factors
  2. the discovered behavior norms
  3. discovered differences in achievement
  4. no explanation for the observed phenomena
  Synonym:discoveredobserved

双语例句

• The laws ascertained by the physicist often become the bases for new sciences.
  物理学家所探明的那些规律常常成为新学科的基础。
• I ascertained the disease to be diphtheria.
  我确定该病为白喉。
• We ascertained that he was dead.
  我们断定他已死了。
• The pathway of DDT degradation in soil has not been fully ascertained.
  在土壤中滴滴涕降解的途径还没有充分调查。
• After a series of experiments important phenomena have been ascertained.
  在一系列的实验之后，许多重要现象确实知道了。
• Have you ascertained whether she's coming or not?
  你是不是问明白了，她究竟来还是不来？
• Result The calibration result and calibration curve was ascertained and analyzed.
  结果：实验得出了系统的定标结果及定标曲线，并对此进行了分析。
• How severely has yet to be ascertained.
  现在还不能确定多严重。
• And how was your guilt ascertained?
  他们是怎样定你的罪的？
• When these models are applied in combination with seismic profiles and core analysis, existence and distribution of the volcanic cones can be ascertained.
  实践表明该模式和地震剖面、取心等有机结合，可以确定火山锥的存在及分布状况。