英语词汇“bone up on”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	bone up on
释义	bone up on 认真学,专心致志地学努力研读
随便看	tax rate schedule tax-ratest tax rate structure tax ratio tax rebate tax rebellion tax receipt tax receipts tax receivable tax receivable current tax receiver tax reduction tax reference price tax reform tax-reform tax reform act tax refund tax-refund tax refundable tax refunded tax regime tax registration tax registration certificate tax regulation tax regulations 帆4 帇师师1 师2 师3 师4 师严道尊师出无名师出有名まるがおまるがお【丸顔（円顔）】まるがかえまるがかえ【丸抱え】まるがりまるがり【丸刈り】まるきまるき【丸木】まるきしすとまるきしずむ