| 词汇 | roundel |
| 释义 | roundel noun[ C ] uk /ˈraʊn.dəl/ us /ˈraʊn.dəl/ a circular decoration, especially a coloured circle on a military aircraft that shows its nationality圆形装饰;（尤指战斗机上显示国籍的）圆形标记 peterhowell/iStock/Getty Images Plus/GettyImages The Air Force air controller air defence air force air power airbase dive-bomber dogfight dogfighting fighter flyover interceptor slow someone's rollidiom stealth bomber the RAF the USAF WRAF Examples of roundelroundel The circumferences of the top roundels are inconsistently done. They know that simply putting up a roundel with a number on it does not achieve the desired effect. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Departmental policy is to authorise carriageway roundels only when used in conjunction with upright repeated signs. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There are severe penalties for breaking limits and drivers should know when they enter a new speed limit zone by passing a sign displaying a speed limit roundel. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The experiments to determine the effectiveness of painting speed limit roundels on the road surface, as a way of influencing driver choice of speed, are not yet complete. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Research has shown when used alone roundels have little effect on vehicle speeds and adverse weather conditions can render them invisible. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The small owl tucked away to the lower right of the large central roundel is also almost certainly perched atop another helmet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The metrics used are usually of five or seven-syllable roundels, and in presentations, songs quite often are linked together, on a medley. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Above each door opening is a green-veined marble roundel with a molded denticulated outer ring ornamented by a series of glyphs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Above the west porch is a triple lancet window, and over this is a roundel. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The middle stage has a roundel on each side, the one on the west containing a clock face. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Part of a blocked roundel window, above the east bay of the south arcade, is evidence of earlier circular 10th-century clerestory windows. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since the 1970s, camouflaged aircraft carry low-visibility roundels, either red and blue on dark camouflage, or washed-out pink and light blue on light colours. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each window bay is topped by a roundel and bronze grille in an abstract eagle form. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The routes are branded with a new version of the roundel, consisting of an orange ring with a blue bar. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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