| 正面 | 7727.mastery 英 ['mɑːst(ə)rɪ]美 ['mæstəri]     |
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| 背面 |     释义： 1、reap音变自“ripe：成熟”，因为只有“成熟”后才能“收割”。n. 掌握；精通；优势；征服；统治权 例句： 1. His mastery of the French language was proverbial.他对法语的精通是众所周知的。 mastery 精通来自master,大师，-y,名词后缀。引申词义精通。 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." |