It is a memorization card for English proficiency level 4 that contains 371 words.
The original memorization card can be made with "Learning Card".
https://play.google.com/store/apps/details?id=asia.remix.learningcard
The original memorization card can be made with "Learning Card".
https://play.google.com/store/apps/details?id=asia.remix.learningcard
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