adj.倒退的；退步的；逆行的；衰减的
v.倒退；退化；逆行
adv.后退地
It could even be termed as a retrograde step in human culture. 这甚至是人类文化的一种倒退。
The closure of the factory is a retrograde step. 工厂的关闭是一大退步。
Prograde orbits are more vulnerable than retrograde ones. 因此顺行的轨道会比逆行轨道更加脆弱。
The motion of the particle is retrograde. 质点运动是衰减的。
用作动词 (v.)It is cowardly of him to retrograde in face of danger. 他在面临危险时退却是很懦弱的。
Watching more TV will retrograde your brain. 多看电视会使你的头脑退化。
Infection can spread retrograde down a drain from the exterior. 感染能从外界经引流管逆行播散。
