什么是 crunch?To chew with a noisy crackling sound.To crush, grind, or tread noisily.Slang To perform operations on; manipulate or process (numerical or mathematical data).To chew noisily with a crackling sound: crunching on celery. To move with a crushing sound: crunching through the snow. To produce or emit a crushing sound.The act or sound of crunching.A modified sit-up having a smaller range of motion that reduces back strain and strengthens the abdominal muscles: stomach crunches. A decisive confrontation.A critical moment or situation, especially one that occurs because of a shortage of time or resources: a year-end crunch; an energy crunch. A period of financial difficulty characterized by tight money and unavailability of credit.