| 单词 | vacuum flask | 
| 释义 | > as lemmasvacuum flask   vacuum flask  n. a vessel with a double wall enclosing a vacuum so that liquid in the inner receptacle retains its temperature (cf. Thermos n.); also transferred in attributive use. ΘΚΠ the world > food and drink > drink > containers for drink > 			[noun]		 > carrying flask > vacuum flask Thermos1907 vacuum bottle1910 vacuum flask1917 society > occupation and work > equipment > receptacle or container > vessel > flask, flagon, or bottle > 			[noun]		 > flask > vacuum flask Thermos1907 vacuum bottle1910 vacuum flask1917 Dewar1966 1917    Harrods Gen. Catal. 946/3  				The ‘Icy-Hot’ Vacuum Flasks, improved designs, will keep liquids hot for 24 hours or cold for 3 days. 1926    Daily Colonist 		(Victoria, Brit. Columbia)	 20 Jan. 5/1  				This vacuum flask will keep things hot for you indefinitely. 1958    New Statesman 23 Aug. 214/2  				Investigation in person will clearly have to wait until travellers are provided with armour-plated vacuum~flask suits. 1978    M. Babson Tightrope for Three vi. 39  				She..filled the kettle..and..the vacuum flask as well. < as lemmas  | 
	
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