bone up on

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مرور کردن - زیاد مطالعه کردن
معنی گرفته شده از دیکشنری آنلاین Longman :
to learn as much as you can about a subject, because you need the knowledge, for example for an examination
معنی گرفته شده از دیکشنری آنلاین Collins :
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[مشاهده متن کامل]

If you bone up on a subject, you try to find out about it or remind yourself of what you have already learned about it.

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