等级参考：FLELex / Beacco (TreeTagger), 2026-10-24下载
https://cental.uclouvain.be/cefrlex/flelex/download/
François, T., Gala, N., Watrin, P. & Fairon, C. (2014). FLELex: a graded lexical resource for French foreign learners. LREC 2014.
Pintard, A. & François, T. (2020). Combining expert knowledge with frequency information to infer CEFR levels for words. READI, 85–92.
资源及其分级衍生部分：CC BY-NC-SA 4.0，https://creativecommons.org/licenses/by-nc-sa/4.0/
应用对词形和词性作匹配；未匹配条目采用教学建议。不是逐词义的官方认证等级，不保证完整覆盖CEFR各级。
用户自备书籍的OCR文本不因此获得上述资源的许可。