By September 2000, all kindergartens will be required to employ at least 60 per cent professionally trained Qualified Kindergarten Teachers (QKTs).是什么意思_By September 2000, all kindergartens will be required to employ at least 60 per cent professionally trained Qualified Kindergarten Teachers (QKTs).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句