📚 WordMate 词典

在线英语词典

基于ECDICT词库，包含77万+单词
proficiency prә'fiʃәns
CET6 考研 TOEFL IELTS
释义
n. 精通, 熟练, 精练
英文释义
n. the quality of having great facility and competence
n. skillfulness in the command of fundamentals deriving from practice and familiarity
词形变化
复数: proficiencies
BNC词频排名: 15,072 | 当代语料库词频排名: 10,195