Dr Balaji Sadasivan was elected Chairman of the Executive Board at its 121st session in May 2007 and will hold office for one year.是什么意思_Dr Balaji Sadasivan was elected Chairman of the Executive Board at its 121st session in May 2007 and will hold office for one year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句