| 词汇 | ascertained |
| 释义 | ascertained past simple and past participle ofascertain 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 ascertain break (fresh/new) groundidiom breakthrough bring something to lightidiom catch someone red-handedidiom fossick found geocache geocaching get hold ofidiom pinpoint plumb rake rediscover rediscovery refind refound retrievable sniff uncover Examples of ascertainedascertained In English, many past and present participles of verbs can be used as adjectives. Some of these examples may show the adjective use. When it had been ascertained at what temperatures the maximum number of each species was seen, the counts were thereafter made when these conditions obtained. Full-time employment status was ascertained by asking respondents how many hours they worked each week, with 35 or more hours denoting full-time. Momentum cannot be ascertained by observing the steady-state velocity of a body unless its mass is known. 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. So far as truth can be ascertained by mortal men, so far as learned, impartial criticism can be final, we have them there. First, the sample is epidemiologically ascertained, thereby eliminating possible biases associated with treatment-seeking. This was ascertained when the practitioners were asked to explain their reasons for their decisions. Each condition was ascertained by a separate question. It will be no wonder if in the future these sciences advance further and the things which today appear fully ascertained may be proven wrong. To date however, the effect of an intestinal adult tapeworm on leucocyte migration from the pronephros has not been ascertained. For individuals and families that were ascertained more than once, they were counted once for each time they were independently ascertained. The location and repair of recent water pipe breaks was ascertained. This is so because strong indifference is now ascertained by means of a counterfactual situation. 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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