| 单词 | radon |
| 释义 | radon noun[U] uk/ˈreɪ.dɒn/us/ˈreɪ.dɑːn/(symbolRn)achemicalelementthat is aradioactivegasformedwhenradiumdecaysandfoundnaturallyinrockandsoil: 氡（镭衰减时形成的一种放射性元素，发现自然存在于岩石和土壤中）Testsshowedhigh radonlevels.试验表明氡含量较高。 Chemical elements
radon| American Dictionaryradon noun[U] us/ˈreɪ·dɑn/acolorlessradioactivegasthat isformedwhenradium(= achemicalelement)and some othersubstancesbreakdown Examplesofradonradon Theradonconcentration is predicted in normal environmental conditions. From theCambridge English Corpus We have always lived in a tough, dynamic neighbourhood-rats,radon, retrovirus-and we always will. From theCambridge English Corpus A short chapter on applied geology includes mineral, energy and water resources, geotechnical considerations (= engineering geology) and naturalradonemissions. From theCambridge English Corpus Discrepancies between measured and predicted values ofradonindicate likely seismic activity. From theCambridge English Corpus The serious problem ofradonin caves gets only passing mention. From theCambridge English Corpus For most people,radonpresents a more serious risk than all other natural sources of radioactivity put together. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 It is as if people believe that their homes are impregnable toradongas because they cannot see or hear it. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These invitations will ensure that every household in the mostradon-affected parts of the country will have been offered a freeradonmeasurement. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 This is theradonconcentration at which it is recommended that remedial action be taken to reduce levels in the home. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 It has been known for a long time that occupational exposure toradonin uranium mines is associated with an increased incidence of lung cancer. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 It is my view that freeradonmeasurements should be made available to householders living in highradonareas. FromEuroparl Parallel Corpus - English However, there is no national programme ofradonmonitoring for our schools. FromEuroparl Parallel Corpus - English There is no reliable method of predictingradonlevels from site measurements before house construction. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 One of our greatest problems at present isradongas. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The survey involves the use of a simple kit to test forradon. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 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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