| 单词 | proficiency | 
| 释义 | proficiencynoun  pro·fi·cien·cy  prə-ˈfi-shən(t)-sē  1   : advancement in knowledge or skill : progress   2   : the quality or state of being proficient   proficiency noun1 as in masterya highly developed skill in or knowledge of something surprised by his proficiency at the game after only the briefest explanation of the rules Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
 2 as in skillsknowledge gained by actually doing or living through something acquired proficiency at golf through long hours of practice Synonyms & Similar Words 
 Antonyms & Near Antonyms 
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