Oxford Advanced Learner's Dictionary Hardback + DVD + Premium。Oxford Advanced Learner's Dictionary 5th Edition: Hornby, Albert。オックスフォード辞典シリーズ 言語学辞典 (新装版)|朝倉書店。Oxford American Dictionary for learners of English: Varios Autores。Oxford Learner's Dictionary of Academic English: Helps students learn the language they need to write academic English, whatever their chosen subjectThe Oxford Learner's Dictionary of Academic English is designed for learners studying, or preparing to study, academic subjects on English-medium university courses. It is the only learner's dictionary to focus exclusively on academic English.