v. move downward and lower, but not necessarily all the way
vi. 下降, 世代相传, 屈尊, 袭击
vt. 下降
1. The airplane began to descend slowly towards the runway.
飞机开始缓慢下降，准备降落在跑道上。
2. As we descend the mountain, the view becomes more beautiful.
当我们下山时，景色变得更加美丽。
3. She felt a sense of relief as her worries began to descend.
当她的担忧开始减轻时，她感到一阵释然。