| 例句 |
quantum leapnoun a sudden large change or improvementPrices have taken a quantum leap upward. The new drug is a quantum leap in the fight against cancer. amelioration, boost, heightening, increase, melioration, strengthening, upgrade, uplift, upswing, uptrend, upturnadvance, advancement, breakthrough, enhancement, refinementbetterment, development, elaboration, evolution, expansion, gestation, growth, maturation, perfection, ripeningcivilization, edification, education, enlightenmentrenaissance, renascence, revivaldiscovery, find, windfallinnovation, invention breakdown, collapse, crashhindrance, impediment, stumbling blockdecadence, decay, declension, decline, decrease, degeneration, descent, deterioration, diminishment, downgrade, ebbing, failing, flagging, languishment, lapse, lessening, reduction, sinking, slowing, weakening, worseningdetriment, disablement, drawback, glitch, impairment, shortcomingsetback in 1956 |