The time for teaching an adult prisoner shall be no less than 500 hours each year; while that for teaching a juvenile delinquent shall be no less than 1000 hours each year.是什么意思_The time for teaching an adult prisoner shall be no less than 500 hours each year; while that for teaching a juvenile delinquent shall be no less than 1000 hours each year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句