| 释义 |
high-impact, a.
Brit. |hʌɪˈɪmpakt|, U.S. |haɪˈɪmˌpæk(t)|
[‹ high adj. + impact n. Compare later low-impact adj.]
1. Esp. of a plastic or plastic product: able to withstand a great impact without breaking.
1942N.Y. Times 14 July 32/1 High-impact phenolic compounds are being used by the Aviation Ordnance section for aircraft signals. 1946J. V. Sherman & S. L. Sherman New Fibers xii. 228 High-impact acetate rayon has a strength approximately equal to that of regular acetate rayon.., but its breaking elongation is..approximately twice as high as that of regular acetate rayon. 1959Times 15 May 21/3 A special feature has been the smooth running of the polystyrene plant. Our high impact grades of both powders and sheet have been well received. 1976Sci. Amer. Feb. 19/2 (advt.) The instrument is housed in a tough, high-impact polycarbonate case. 1998Allure Feb. 84 Made of high-impact ABS plastic.
2.
a. That causes a great impact; that has a great effect, or makes a strong impression.
1960Pacific Affairs 33 391 There must also be a variety of short range, high impact programs that have the widest possible application. 1968Proc. Internat. Electron Devices Meeting (IEEE) 88 A 20-watt, s-band travelling-wave tube developed for use where critical data must be transmitted during or after exposure to high-impact shock loading. 1992Canad. Geographic Mar.–Apr. 69/2 The science here is regarded as first-rate, high-impact and relevant. 2001Cosmopolitan Dec. 218/2 Strategically placed shimmer—on your lids, cheeks, and collarbone—serves up a high-impact entrance with the least effort possible.
b. Designating or relating to forms of physical exercise (such as jogging, jumping, or aerobics) in which the body is subjected to great stress, typically repeated impact or rapid deceleration combined with resistance under or against a weight (esp. one's own body mass, as when one's feet hit the ground). Cf. low-impact adj. c.
1984San Diego Union-Tribune (Nexis) 2 Mar. f1 There is scientific data that shows some forms of cartilage- and joint-strengthening exercise may forestall arthritis, just as some forms of high-impact exercises may invite it. 1992Future Fitness UK May–June 89/1 Low Impact cassettes can be pitched up to a High Impact speed, and pitched down for Step. 1999Health & Fitness Oct. 60/1 Research shows that short bouts of high-impact exercises, such as jumping and jogging, executed correctly, provide useful bone-loading jolts to the hip and spine on landing. |
