英语词汇“And what does he mean by retroactive”的翻译、意思、用法、释义-英汉汉英双解词典

单词	And what does he mean by retroactive
释义	And what does he mean by retroactive 问：追溯是什么意思呢？
随便看	Tupaia minor Tupaia montana Tupaia nicobarica Tupaia palawanensis Tupaia picta tupaias Tupaia splendidula Tupaia tana tupaiid Tupaiidae tupaiidaes Tupaiid herpesvirus tupaiid herpesvirus 1 tupaiids Tupaiinae tupak-grass Tupakka Tupala tupamaro Tupamaro Tupamaros tupan Tupan Tupana Tupana, R