He spent twelve and a half years in government service at the EDB,Science Council (predecessor of the NSTB) and the Ministry of Foreign Affairs.是什么意思_He spent twelve and a half years in government service at the EDB,Science Council (predecessor of the NSTB) and the Ministry of Foreign Affairs.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句