小测验：选择正确的单词

1. line of descent
   系谱
   

1. We’re going to begin the descent for Honolulu.
   我们准备开始向檀香山下降了。
2. A man who holds a peerage by descent or appointment.
   一个由世袭或任命而获爵位的男人
3. We began the descent of the mountain.
   我们开始下山。
4. A descent by parachute.
   空投用降落伞投下
5. Here there is a gradual descent to the sea.
   这里有个通向海的缓坡.

　6个名词解释