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

• I ascertained the disease to be diphtheria.
  我确定该病为白喉。
• These can be ascertained either from the IBM verbose output or from a Javadump.
  可以从IBM的冗余输出或从Javadump中确认这些信息。
• It appears that some little trouble was caused by a woman, whose name has not been ascertained.
  看来这件小小的麻烦是由一个至今尚不清楚其姓名的女人所引起的。
• Birth outcomes were ascertained for1280 ( 94%) of the1369 women enrolled.
  确定了所招募的1369名妇女中1280名（94%）的分娩结果。
• A physical or chemical change by which a substance may be detected or its properties ascertained.
  化验由一种可被检测到的或其特征能被确定的物质引起的一种物理或化学变化。
• A white rot fungus biomembrane reactor system was set up, and the optimal operation parameters of the reactor system were ascertained.
  建立了白腐真菌生物膜反应器，并对其运行参数进行了调试优化。
• 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。
• We ascertained that he was dead.
  我们断定他已死了。
• 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？
• And how was your guilt ascertained?
  他们是怎样定你的罪的？