勔字讀音拼音怎么讀miăn勔字意思解釋u0039u0031u0031u67E5u8BE2u00B7u82F1u8BEDu5355u8BCD勔[miǎn]形diligent：勤奮的；勤勉的；用功的；費盡心血的。動advise and enco