The 1 st World Congress of the WFD took place in September 1951, and the choice of September to celebrate the International Week and Day of the Deaf is a commemoration of this historical event.是什么意思_The 1 st World Congress of the WFD took place in September 1951, and the choice of September to celebrate the International Week and Day of the Deaf is a commemoration of this historical event.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句