词典释义：
move or fall downwards
下降；落下
-
the aircraft began to descend. 飞机开始下降。
[with obj.]move down (a slope or stairs)
下（坡，楼梯）
-
the vehicle descended a ramp. 车驶下了斜坡。
(of stairs, a road or path, or a piece of land)be on a slope or incline and extend downwards
（楼梯，道路，小径，土地）下斜，下倾
-
a side road descended into the forest 一条岔道下斜着延伸到森林中
-
[with obj.]
a narrow flight of stairs descended a steep slope. 一段狭窄的楼梯陡陡地通到下面。
come or go down a scale, especially from the superior to the inferior
（尤指从优到劣）依次递降
-
[as adj.
descending ]the categories are listed in descending order of usefulness. 这些品种按实用价值递减的顺序列出。
【乐】 （声响）渐低，下行
-
[as adj.
descending ]a passage of descending chords. 渐低和弦乐段。
(
降低人格做事，堕落到
-
he was scrupulous in refusing to descend to misrepresentation. 他为人正直审慎，拒绝做人所不齿的歪曲真相之事。
(
（情况，群体）沦落到…的地步
-
the army had descended into chaos. 军队已陷入了一片混乱。
(
突袭
-
the militia descended on Rye. 民兵突袭拉伊。
(
突然来到，突然造访
-
groups of visiting supporters descended on a local pub. 一批批外来的支持者突然来到了当地一家酒吧。
(of a feeling or atmosphere)develop suddenly and be felt throughout a place or by a person or group of people
（感觉，气氛）突然笼罩
-
an air of gloom descended on Labour party headquarters. 一片沮丧的气氛突然笼罩着工党总部。
(of night or darkness)begin to occur
（夜色，黑暗）降临
-
as the winter darkness descended, the fighting ceased. 随着冬日夜幕的降临，战斗停止了。
(
是…的后裔（尤指是望族的后裔）
-
John Dalrymple was descended from an ancient Ayrshire family. 约翰·达尔林普尔是艾尔郡一古老家族的后裔。
(of an asset)pass by inheritance, typically from parent to child
（资产）交由…继承
-
his lands descended to his eldest son. 他的土地传给了长子。
"Middle English： from Old French
