book cover with means for holding book open是什麼意思、英文翻譯及中文解釋
book cover with means for holding book open
詞語: book cover with means for holding book open
解釋: 帶使書處於打開的封面
詞典: 專利專業英漢詞典
book cover with means for holding book open 相關解釋
帶使書處於打開的封面 book cover with means for holding book open