descent

• Are you of english descent ?
  你的祖籍是英国吗？
• The fare for the descent was fixed at five dollars per head .
  地下参观的价格是每人五块美金。
• He traces his descent back to an old norman family .
  他追踪自己的世系上溯至一个古老的诺曼家族。
• The enemy will not have strength to repeat such descents often .
  敌人没有经常进行这种空降的力量。
• Those advisers who aren't jewish are of british descent .
  那几个顾问除了犹太人，就是有英国血统的。
• In the ancient genus descent was limited to the female line .
  在古代的氏祖中，只有按女性下传的世系。
• This fact is at once explained on the principle of descent .
  根据家系的原理，这个事实即时可以得到解释。
• The trail zigzagged down the abrupt descent of the canyon .
  这条小路弯弯曲曲的顺着峡谷那陡削的下坡蜿蜒而下。
• The dawns were heralded by the descent of a chill stillness .
  自天而降的一阵寂寞冷落的清寒，引来了一天的黎明。
• He proposed that all living things are related by descent .
  他提出，所有生物都由它们共同的祖先把彼此相连在一起。