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Grade 1 master——研一。Grade 2 master——研二。Grade 3 master——研三。master英 [ˈmɑ:stə(r)] 美 [ˈmæstə(r)] n.大师;硕士;主人(尤指男性);男教师。vt.精通,熟练;作为主人,做…的主人;征服;使干燥(染过的物品)。adj.主人的;主要的;精通的,优秀的;原版的。【例句】My master ordered me not to deliver the message except in private我的主人命令我务必私下里传递消息。The dog yelped excitedly when his master opened a desk drawer and proced his leash.主人打开抽屉拿出牵狗用的皮带时,狗兴奋地叫了起来。She was a master of the English language她是英文高手。Jackson remained calm and always master of his passions杰克逊镇定自若,始终克制着情绪Duff soon mastered the skills of radio proction达夫很快掌握了广播节目制作的技能。