proficiency

名词 n.
中文释义
发音 prəˈfiSHənsē

英文释义

名词 n.
  1. Ability, skill, competence. countable,uncountable
    — to attain (or to reach) proficiency

词形变化

proficiencies plural proficience alternative

词源

From proficient or its etymon, Latin prōficiēns (present participle of prōficiō), + -ency.
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