n. the reasoning involved when you assume the conclusion is true and reason backward to the evidence v. go back to a statistical means v. get worse or fall back to a previous condition
中文翻译
n. 退回, 复归权, 回归, 倒退, 退步, 退化, 退行 vi. 退回, 复归, 回归, 倒退, 退步, 退化, 退行