masteryKK [ˋmæstɚi] /ˈmæstɚi/發音名詞1精通、熟練、純熟Her mastery of three languages helped her land the job.她精通三種語言,因此順利得到那份工作。2掌控、支配、控制Years of training gave him mastery over his own fear.多年的訓練讓他能夠掌控自己的恐懼。3統治權、優勢、制霸正式The empire fought for mastery of the surrounding seas.該帝國為爭奪周邊海域的統治權而戰。