関連ワード:  what does basic proficiency in a language mean    what does proficiency in a language mean    what does elementary proficiency in a language mean    what does working proficiency in a language mean    what does professional proficiency in a language mean    what does intermediate proficiency in a language mean    what does native proficiency in a language mean    what does advanced proficiency in a language mean    what does limited proficiency in a language mean    what does fluent in a language mean  
結果 : what does basic proficiency in a language mean