Outstanding achievements of pioneers should be succeeded and developed --A speech on opening ceremony of Eighth National Conference of Palaeogeography and Sedimentology是什么意思_Outstanding achievements of pioneers should be succeeded and developed --A speech on opening ceremony of Eighth National Conference of Palaeogeography and Sedimentology在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句