The six reference levels are becoming widely accepted as the European standard for grading an individual's language proficiency.
其六个参考等级水平正在作为评估个人语言能力的欧洲标准广为接受。
The six reference levels are becoming widely accepted as the European standard for grading an individual's language proficiency.
其六个参考等级水平正在作为评估个人语言能力的欧洲标准广为接受。
应用推荐