descent [dɪˈsɛnt]

例句:

• When entering a trail or starting a descent, yield to other skiers.
  进入滑雪道或开始下滑时，要给其他滑雪者让路。
  
• The plane began its descent to Heathrow.
  飞机开始向希思罗机场降落。
  
• The marriage was considered especially ignominious since she was of royal descent.
  由于她出身王族,这门婚事被认为是奇耻大辱.
  
• They activated the camera and armed the descent engine.
  来自THETIMES
• The results, then, hardly demonstrate common descent.
  来自SA
• The descent of all organisms from a common ancestor.
  来自SA
• We watched anxiously during her descent from the tree.
  我们焦急地看着她从树上爬下来。
  来自《权威词典》
• The descent of the mountain took two hours.
  下山花了两个小时。
  来自《权威词典》
• He is of aristocratic descent.
  他出身贵族。
  来自《权威词典》