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

• And how was your guilt ascertained?
  他们是怎样定你的罪的？
• 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。
• How severely has yet to be ascertained.
  现在还不能确定多严重。
• CHD events were ascertained by linkage to national registers.
  通过与国家登记部门联系确认冠心病事件。
• And then, the key-establishment framework and the authentication framework of the protocol are researched, the top-layer abstract model of authentication and key agreement is ascertained.
  然后，研究了协议的密钥建立框架和认证框架，确定了协议中认证与密钥协商的顶层抽象模型。
• 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？
• I ascertained the disease to be diphtheria.
  我确定该病为白喉。
• The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census.
  通过系统调查和大田普查相结合的方法，研究明确了养蟹稻田稻飞虱的发生规律。
• I ascertained that no one could overhear us before I told Otto the news.
  我确信没有人能听到我们的谈话之后，才把这个消息告诉奥托。
• 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。