descentKK [dɪˋsɛnt] /dɪˈsɛnt/發音de- 向下、除去+scent 爬、攀→向下攀爬展開收合de-字首向下、除去scent字根爬、攀字面:向下攀爬往下走即下降;血脈由上代往下傳,因而引申為血統。名詞1下降、降落The plane began its descent about twenty minutes before landing.飛機在降落前約二十分鐘開始下降。2血統、家世、祖籍She is a lawyer in Toronto of Taiwanese descent.她是一位在多倫多執業的台灣裔律師。3下坡、陡坡The final descent into the valley was steep and rocky.進入山谷的最後一段下坡既陡又多石頭。4墮落、淪落、陷入The film traces his slow descent into addiction and despair.這部電影描寫他逐漸墮入成癮與絕望的過程。