| 单词 | roll up! |
| 释义 | roll up!said,especiallyin the past, by someone whowantedpeopleto come andpaytolookat somethingunusualorinteresting: （尤在旧时用于呼唤人们观看稀罕或有趣的事物）快来看哪！ 快来看哪！"Roll up! Roll up! Come andseetheamazingbeardedlady!"shoutedthecircusman.“快来看哪！快来看哪！过来看长胡子的怪女人！”那个马戏团的人喊道。 Linguistics: interjections
roll-up noun[C] UKuk/ˈrəʊl.ʌp/us/ˈroʊl.ʌp/acigarettethat you make bywrappingapieceofpaperaround sometobacco 手卷的纸烟Tobacco & smoking
roll up!said,especiallyin the past, by someone whowantedpeopleto come andpaytolookat somethingunusualorinteresting （尤在旧时用于呼唤人们观看稀罕或有趣的事物）快来看哪！ 快来看哪！ "Roll up! Roll up! Come andseetheamazingbeardedlady!"shoutedthecircusman.“快来看哪！快来看哪！过来看长胡子的怪女人！”那个马戏团的人喊道。 roll-up noun[C] UKuk/ˈrəʊl.ʌp/us/ˈroʊl.ʌp/acigarettethat you make bywrappingapieceofpaperaround sometobacco 手卷的纸烟 roll sth up| Business Englishroll-up adjective[before noun] FINANCEuk/ˈrəʊlʌp/usused todescribealoanon which you do notpayinterestwhile you arepayingback theprinciple(=amountborrowed), butpayit at the end of theperiodof theloan: a roll-upmortgage Examplesofroll up!roll up! The principal feature in theroll-upof the ligament is that the only stable configuration is that of a sphere. From theCambridge English Corpus These data suggest that the growth of the instability and the resulting vortexroll-upis considerably stronger in the circular jet. From theCambridge English Corpus The calculation proceeds smoothly untilroll-upbegins; inevitably the sheet crosses itself. From theCambridge English Corpus To obtain a regularroll-upthe vortices are uniformly spaced and given a sinusoidal perturbation of the appropriate wavelength. From theCambridge English Corpus The result is theroll-upof the shear layer into vortical lumps one wavelength apart, connected by thin braids. From theCambridge English Corpus In actual physical flows, a nonlinearroll-upof the vortex sheets occurs and the wake configuration is not known in advance. From theCambridge English Corpus Both theroll-upand the coalescence of the vortices take place in a region, not at a single point. From theCambridge English Corpus These data show that both the vortices accelerate afterroll-up, then vortex 1 continues to accelerate but vortex 2 starts decelerating. From theCambridge English Corpus The motion of the point vortices becomes chaotic in the region of the vortex sheetroll-up. From theCambridge English Corpus This difference between the maximally unstable and the naturalroll-upfrequencies is being further investigated in our laboratory. From theCambridge English Corpus We include in figure 2 a sequence of pictures showing the initial regular stages ofroll-upof a vortex sheet. From theCambridge English Corpus Two plateaus, one at theroll-upregion and the other at the vortex merging region, existed. From theCambridge English Corpus The apparent 'roll-up' of the streaklines is followed by their distortion and segregation during impingement upon the edge. From theCambridge English Corpus It is available in aroll-upstick form. From theCambridge English Corpus Theroll-upof the shear layer is a mechanism for accumulation of vorticity in lumps. From theCambridge English Corpus 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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