| 词汇 | ascertain |
| 释义 | ascertain verb[ T ] formaluk /ˌæs.əˈteɪn/ us /ˌæs.ɚˈteɪn/ to discover something: 弄清，确定，查明 The police have so far been unable to ascertain the cause of the explosion.警方到目前为止尚未查明爆炸原因。 [ + question word ]Have you ascertained whether she's coming or not?你问清楚了吗，她来还是不来？ to make certain of something: 确信 [ + that ]I ascertained that no one could overhear us before I told Otto the news.确信没有人能听到我们的谈话之后，我才把这个消息告诉了奥托。 Finding and discovering break (fresh/new) groundidiom breakthrough bring something to lightidiom catch someone red-handedidiom catch someone with their pants/trousers downidiom fossick found geocache geocaching get hold ofidiom homing pinpoint plumb red-handed rediscover rediscovery refind refound sniff suss ascertain | American Dictionaryascertain verb[ T ] us/ˌæs·ərˈteɪn/ to discover a fact; to make certain: The fire department has been unable to ascertain the cause of the fire. Examples of ascertainascertain Susceptibility to rheumatic fever have been ascertained because of the poor quality of records in earlier years. All are vulnerable to software bugs, however, at any time and so the liability of software companies needs to be ascertained. In addition, the joint effects of pollutants and parasitism on the immune system of the host has not been ascertained. First, the sample is epidemiologically ascertained, thereby eliminating possible biases associated with treatment-seeking. Each condition was ascertained by a separate question. The words designate underlying meanings, and it is these inner meanings - the characters' mental states - which have to be ascertained and conveyed to the spectator. He ascertains specific distinctions in the nature of signs and their social functions and stresses that signs are determined by their systems. To date however, the effect of an intestinal adult tapeworm on leucocyte migration from the pronephros has not been ascertained. An evaluation of the family history method for ascertaining psychiatric disorders. The answer to this question cannot be ascertained at fir st sight even on physical grounds. However, the relationships between rap and canzone d'autore, apart from this generic convergence in a vaguely defined oppositional youth culture, have still to be ascertained. The location and repair of recent water pipe breaks was ascertained. Where significant funding for project establishment and ongoing operations was not ascertained, the project developers incurred higher search costs. There are a number of ways in which the influence of shared environmental effects can be ascertained and minimized in the analysis of natural populations. How can vertical and horizontal equity be ascertained throughout the country? See all examples of ascertain These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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