During the seminar, Liu Xinjie and two other teachers, who all won joint first prize in the first National Primary School English Teaching Competition, gave demonstration lessons.是什么意思_During the seminar, Liu Xinjie and two other teachers, who all won joint first prize in the first National Primary School English Teaching Competition, gave demonstration lessons.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句