late 14c., originally of the apparent motions of planets, from Latin retrogradus "going back, going backward," from retrogradi "move backward," from retro- "backward" (see retro-) + gradi "to go, step" (see grade (n.)). General sense of "tending to revert" is recorded from 1530s.
词态变化
权威造句
1. The closure of the factory is a retrograde step .
工厂的关闭是一大退步。
来自《权威词典》
2. The Prime Minister described transferring education to central government funding as "a retrograde step".
首相称将教育投入转由中央政府拨款是“一种倒退”。
来自柯林斯例句
3. Infection can spread retrograde down a drain from the exterior.
感染能从外界经引流管逆行播散.
来自辞典例句wWw.weNTIYI.COm
4. The motion of the particle is retrograde.
质点运动是衰减的.
来自辞典例句
5. This retrograde conduction does not always take place.
