Using the HTML5 Filesystem API

值得信賴的專業Collins COBUILD出版字典，全新為進階英語學習者量身打造，告訴你如何正確使用單字，是自學者最好的利器。專為進階英語學習者設計，清楚呈現日常英語詞彙、用法與語感。來自真實語料的例句，搭配語法、同義詞與搭配詞補充，讓你在寫作、口說、學術或商務場合都能得心應手，是學習路上的好幫手。The 9th edition of the Collins COBUILD Advanced Learner’s Dictionary has been revised and updated to include detailed coverage of today’s English in a clear, attractive format.Ideal for upper intermediate and advanced learners of English, this dictionary covers all the words, phrases and idioms that students need to master in order to speak and writeeffective English. Thousands of updated examples taken from the 4.5- billion word Collins Corpus, show learners how the words are used in authentic contexts. The dictionary offers extensive help with grammar through the inclusion of grammar patterns at examples, plus a new supplement to help with academic and business grammar.Additional information is provided throughout to help learners improve their knowledge of collocation, etymology and synonymy. Informative and relevant vocabulary panels

Perfect for revising Spanish Grammar offering a clear and easy-to-understand guide to the verbs and grammar of Spanish with hundreds of practical exercises. Designed for all those learning Spanish at

Collins brings the Queen of Crime, Agatha Christie, to English language learners.Agatha Christie is the most widely published author of all time and in any language. Now Collins has adapted her famous detective novels for English language learners. These carefully adapted versions are shorter with the language targeted at upper-intermediate learners (CEF level B2).Each reader includes:Audio with a reading of the adapted storyHelpful notes on charactersCultural and historical notes relevant to the plotA glossary of the more difficult wordsRecently, there have been some strange things happening at Styles, a large country house in Essex. Evelyn Howard, a loyal friend to the family for years, left the house after an argument with Mrs Inglethorp. Mrs Inglethorp is then suddenly taken ill and dies. Has she been poisoned? It is up to the famous Belgian detective, Hercule Poirot, to find out what happened.