| 释义 |
Ratrac, n.|ˈrætræk|
A proprietary name for a tracked vehicle used for impacting the surface of a skiing piste.
[1969Schweizerisches Patent-, Muster- und Marken-Blatt: Fabrik- und Handelsmarken 28 Nov. 654/1 Hinterlegungsdatum : 15. Juli 1969, 18 Uhr Dr. K. Schleuniger & Co., Universitätsstrasse 87, Zürich 6.—Fabrikation und Handel. Raupenfahrzeug. (Int. Kl. 12) RATRAC.] 1971Country Life 14 Oct. 964/2 In bad weather the marked [ski] runs are patrolled..and the pistes themselves are maintained in safe condition with Ratrac machines. 1974H. Evans et al. We learned to Ski 16 Cold well-beaten snow is what happens to powder snow when lots of people have skied over it, or it has been packed by a machine. (These ‘Ratracs’, as they are known, are crosses between caterpillar tractors, rollers and lawn mowers.) 1986Official Gaz. (U.S. Patent Office) 22 Apr. tm58/2 Logan Manufacturing Company, Logan, Ut... RATRAC For crawler-type tractors for use principally upon snow... First use..1973. 1988Daily Tel. 29 Oct. (Weekend Suppl.) p. iii/6 A half-day off-piste run across glaciers to La Grave, which starts with a Ratrac ride at 3,500 metres. |