retrogression
n.
1640s, noun of action, formed on model of progression, from Latin retrogressus, past participle of retrogradi "move backward" (see retrograde).
〔蒋〕[gress=go，walk行走，-ion名词后缀] 倒退，退步，退化
〔蒋〕[gress=go，walk行走，-ion名词后缀] 倒退，退步，退化
| 词汇 | retrogression |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 retrogression n. 1640s, noun of action, formed on model of progression, from Latin retrogressus, past participle of retrogradi "move backward" (see retrograde). 〔蒋〕[gress=go，walk行走，-ion名词后缀] 倒退，退步，退化 |
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