動詞 descend:

1. move downward and lower, but not necessarily all the way
   同義詞：descend, fall, go down, come down
2. come from; be connected by a relationship of blood, for example
   同義詞：derive, come, descend
3. do something that one considers to be below one's dignity
   同義詞：condescend, deign, descend
4. come as if by falling
   同義詞：fall, descend, settle

1. We turned the corner and saw that the road descended steeply.
   我們轉(zhuǎn)過彎，看到路陡然下傾。
2. The robbers descended on us at lunch-time.
   午飯時，搶劫者襲擊了我們。
3. The sun descended behind the hills.
   太陽下山了。
4. The police descended on their hide-out.
   警察突襲了他們的藏身處。
5. I'm surprised that he descended to begging for his food.
   真讓我吃驚，他竟墮落到沿街乞討的地步。
6. The theory that all living organisms are descended from a single cell or organism.
   一元發(fā)生說認為所有生物都是由一個單細胞或有機體發(fā)展而來的理論
7. Jim is descended from a noble family.
   吉姆出身于一個貴族家庭。
8. Armed thieves descended on the helpless travelers.
   一群武裝盜賊襲擊了無依無靠的旅客。