英语词汇“period of concrete operations”的翻译、意思、用法、释义-英汉汉英双解词典

单词	period of concrete operations
释义	period of concrete operations 具体运思期
随便看	earthquake recurrence rate Earthquake reflecting ability Earthquake-reflecting effect Earthquake reflection ability earthquake refracted wave earthquake region earthquake reinforcement earthquake-related Earthquake relative displacement Earthquake relative location earthquake relics earthquake relief earthquake relief command center earthquake relief headquarter earthquake relief work Earthquake relief works earthquake relieving earthquake relocation earthquake remains Earthquake reportage earthquake reports at once earthquake rescue earthquake rescuers earthquake rescuing earthquake research