ret·ro·gress /ˌrɛtrəˈgrɛs/
(vi.)倒退,退化,退步
Re·tro·gress n. Retrogression. [R.]
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retrogress
v 1: get worse; fall back to a previous or worse condition [syn:
regress, retrograde] [ant: progress]
2: go back to bad behavior; "Those who recidivate are often
minor criminals" [syn: relapse, lapse, recidivate, regress,
fall back]