He shows complete mastery of his chosen subject.
精通自己选择的那门科目。
词学习；通达学习；精熟学习He shows complete mastery of his chosen subject.
精通自己选择的那门科目。
It takes years to gain a mastery of Japanese.
掌日语要花几年时间。
His work demonstrates a mastery of design, colour, composition and draftsmanship.
塞尚的设计、色彩、布局和描绘都十分出色。
To gain a complete mastery of English, one must study very hard.
要想精通英语就必须刻苦努力。
She appealed to his mastery for help in solving her problem.
她请求运用的知识去解决她的问题。
Only practice can achieve mastery.
有
践才能达到精通。
He was always making diagrams of verbs and their inflections, and he looked for opportunities to show off his mastery of the pluperfect and future perfect tenses, his two favorites.
总是把动词及其变化绘制成表，然后便寻找机会炫耀的两个最爱——过去完成时和将来完成时。
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