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

• It may be ascertained in your corporation by estimating the amount of money senior management is spending on consultants.
  在你的公司内，通过估算公司高层用于咨询顾问的开支金额，就可确定这个因数。
• 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 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。
• 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。
• 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。
• The actual site was eventually ascertained.
  实际的出土遗址也最终确定了。
• And how was your guilt ascertained?
  他们是怎样定你的罪的？
• 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。
• How severely has yet to be ascertained.
  现在还不能确定多严重。
• The lawyer ascertained that a policeman had indeed delt roughly with foreigners on several occasions.
  那位律师查明有个警察的确在好几个场合中粗暴地对待了外国人。