| 单词 | retrogressional |
| 释义 | retrogressional in British English (ˌrɛtrəˈɡrɛʃənəl) adjective another word for retrogressive retrogress in British English (ˌrɛtrəʊˈɡrɛs) verb (intransitive) 1. to go back to an earlier, esp worse, condition; degenerate or deteriorate 2. to move backwards; recede 3. biology to develop characteristics or features of lower or simpler organisms; degenerate Derived forms retrogression (ˌretroˈgression) noun retrogressive (ˌretroˈgressive) adjective retrogressively (ˌretroˈgressively) adverb Word origin C19: from Latin retrōgressus having moved backwards, from retrōgradī; see retrograde |
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