If the children now in the first grade of elementary school receive ten or more years of schooling,they will become a vital force for ushering in the 21st century.是什么意思_If the children now in the first grade of elementary school receive ten or more years of schooling,they will become a vital force for ushering in the 21st century.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句