记忆方法
将“mastery”分解为“master”和“-y”后缀。想象一位大师（master）掌握了（-y）所有的知识和技能，形成了一个完整的掌握（mastery）。这个方法通过联想“大师级”的完全掌控来帮助记忆这个单词。
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中文词源
mastery 精通
来自master,大师，-y,名词后缀。引申词义精通。
英语词源
- mastery (n.)
- early 13c., mesterie, "condition of being a master," also "superiority, victory;" from Old French maistrie, from maistre "master" (see master (n.)). Meaning "intellectual command" (of a topic, etc.) is from 1660s.
权威例句
- 1. His mastery of the French language was proverbial.
- 他对法语的精通是众所周知的。
- 2. He demonstrated his mastery of political manoeuvring.
- 他表现出了高超的政治手段。
- 3. She has mastery of several languages.
- 她精通数门语言。
- 4. 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.
- 5. He has a good grasp [ mastery ] of English grammar.
- 他英语语法学得很扎实.