language proficiency
言語能力
言語熟達度、運用能力
EF English Proficiency Index
fluency
vocabulary
The set of words in a given language that a speaker is familiar with, which can be subdivided into: a) words which are recognized upon hearing or reading; and b) words which a person feels comfortable using in speech.
/suto3/google.iconlanguage proficiency
/suto3/Google画像検索.iconlanguage proficiency
/suto3/Google定義検索.icon language proficiency
/suto3/wikipedia.iconlanguage proficiency
/suto3/weblio.icon language proficiency
/suto3/kotobank.icon language proficiency
/suto3/jisho.icon language proficiency