cyclicalKK [ˋsaɪklɪkəl] /ˈsaɪklɪkəl/形容詞1週期性的、循環的Fashion trends are cyclical, so old styles always come back.流行趨勢是週期性的,舊款式總會再度回歸。2景氣循環的、隨景氣波動的經濟Construction is a cyclical industry that suffers badly in a recession.營建業是景氣循環產業,在不景氣時受創嚴重。