1. 名詞
   下降, 下落
   下傾, 下沉
   a descent to ...(地方):
   到...的下降
   到...的下沉
   /以上通常為單數可數名詞/
   可數名詞:
   下坡
   襲擊, 入侵
   a descent of ...(人等):
   

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   同義字詞
   dip,dive,down,drop,fall,nosedive,plunge
   debilitation,decay,decaying,decline,degeneration,deterioration,ebbing,enfeeblement,weakening
   decadence,declension,declination,decline,degeneracy,degeneration,degradation,deterioration,devolution,downfall,downgrade,ebb,eclipse,fall
   comedown,decline,demise,down,downfall,fall
   foray,incursion,inroad,invasion,irruption,raid
   aggression,assault,attack,attempt,blitz,blitzkrieg,charge,offense,offence,offensive,onset,onslaught,raid,rush,strike
   ancestry,birth,blood,bloodline,breeding,extraction,family tree,genealogy,line,lineage,origin,parentage,pedigree,stock,strain
   declension,decline,declivity,dip,downgrade,downhill,fall,hang,hanging
   

2. 形容詞
   (人)of ...(形容詞: 形容所屬國家) descent:
   ...血統的
   ...後裔的
   ...裔的
   

例句

1. He was of Swedish and British descent .
2. His mother was of Irish-American descent .
3. Both of his parents were of Irish descent .
4. Facial aging also includes sagging or descent .
5. The pilot then executed another descent to land.
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