descent

n.

1. 下降；下傾[U][C]
   The spectators watched the descent of the balloon.

   觀看的人瞧著氣球降落。

2. 下坡[C]
   a steep descent

   陡峭的坡道

3. 世系，血統[U]
   Many Americans are of English descent.

   許多美國人有英國血統。

4. 遺傳；派生[U]
5. 衰落；墮落[U][S1]
   his descent into a life of crime

   他淪落到靠犯罪為生

6. 屈尊；降格[U][（+to）]
7. 襲擊；入侵[C][（+on/upon）]
   The Danes made numerous descents upon the English coast during the 10th century.

   丹麥人在十世紀曾對英國海岸發動過無數次襲擊。

8. 【律】（遺產的）繼承[U]