| 单词 | retrogradation |
| 释义 | retrogradation —retrogradatory /re'treuh gray"deuh tawr'ee, -tohr'ee/, adj. /re'troh gray day"sheuhn/, n. 1. backward movement. 2. decline or deterioration. [1545-55; < LL retrogradation- (s. of retrogradatio), prob. equiv. to L retrograd(us) RETROGRADE + -atio -ATION, as trans. of Gk anapodismós] |
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