吃透英语课本，提升在校竞争力
n. 下降；斜坡；堕落；血统
复数：descents
Passengers must fasten their seat belts prior to descent.
乘客在飞机降落之前必须系好安全带。
young men and women of Asian descent
亚裔男女青年
The emperor claimed descent from David.
这个皇帝自称是大卫王的后代。
The authors show how this was triggered by his belief in the common descent of all humans.
作者表明，这张图是如何由他的信仰引发出来的，达尔文相信全人类属于共同的血统。
There is a gradual descent to the sea.
有一片斜坡缓缓伸延到海边。
chinese descent
中国血统；炎黄子孙
steepest descent method
最速下降法；最陡下降法
gradient descent
梯度下降
descent method
n. 下降法
n.[航]下降；[遗]血统；袭击
reduction
birth
decline
fall
blood
