He returned to Singapore in 1979 and 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 returned to Singapore in 1979 and 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