cyclicalKK [ˋsaɪklɪkəl] /ˈsaɪklɪkəl/發音cycl 圓、輪+-ic 形容詞+-al 形容詞→像輪子轉圈的展開收合cycl字根圓、輪-ic字尾形容詞-al字尾形容詞字面:像輪子轉圈的輪子轉一圈又回到原處,引申為週期性的、循環的。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。