Longman Dictionary Of American English

Longman Dictionary of American English

Longman Dictionary of American English with new collocation information and vocabulary practice

The 5th edition of this best-selling dictionary for learners of American English helps intermediate students improve their writing with the new Collocations feature and offers extra support for those studying other subjects in English. The integrated Thesaurus helps students build their vocabulary.

Clear and comprehensive

109,000 words, meanings and phrases, including words from the Academic Word List

59,000 example sentences, showing thousands of collocations

Clear definitions written using the Longman American Defining Vocabulary of just 2,000 common words

Longman 9,000 key words highlighted – the core vocabulary to understand texts

Words for the content areas such as Science and Social Studies

The key to vocabulary building

Collocation boxes show combinations of words that are often used together, such as strong interest, highly successful and take a test

The Thesaurus explains thousands of synonyms and antonyms to help you choose the right word and build your vocabulary

The Topic Vocabulary section helps you find the vocabulary you need to write about common topics such as Describing Places, Technology, Sports and Relationships

15,000 etymologies explain the origins of words

Interactive practice

Pronunciation of all the words and example sentences, and pronunciation practice

Longman Vocabulary Checker: find out which type of vocabulary is used in the text you are reading and which words you should learn

Academic Study Center with interactive exercises for vocabulary, reading and writing, and exam practice for SAT® and TOEFL®

New Functionality:

- Full content of the print dictionary

- PLUS additional collocations, synonyms, and word origins

- Guide on how to use the dictionary

- Search using wildcards and suggested words

- Predictive text in search helps you with spelling as you look for words

- Search for idioms and phrasal verbs

- Search history to help you find recently searched for words

- Support for search from within other compatible apps on your device

- Bookmark your favorite words

- Word-of-the-Day

- My vocabulary

朗文美国英语词典

朗文美国英语词典与新的搭配信息和词汇练习

这本畅销的美国英语学习者词典的第5版帮助中级学生通过新的Collocations功能改进他们的写作，并为那些用英语学习其他科目的学生提供额外的支持。综合叙词表可以帮助学生建立自己的词汇量。

清晰而全面

109,000个单词，含义和短语，包括学术单词表中的单词

59,000个例句，显示数以千计的搭配

使用Longman American Defining Vocabulary编写的清晰定义只有2,000个常用词

朗文突出了9,000个关键词 - 理解文本的核心词汇

科学和社会研究等内容领域的词汇

词汇建设的关键

搭配框显示经常一起使用的单词组合，例如强烈兴趣，非常成功并进行测试

同义词库解释了数以千计的同义词和反义词，以帮助您选择正确的单词并建立词汇量

主题词汇部分可帮助您找到撰写常见主题所需的词汇，例如描述地点，技术，体育和关系

15,000个词源解释了词语的起源

互动练习

所有单词和例句的发音，以及发音练习

朗文词汇检查器：找出您正在阅读的文本中使用的词汇类型以及您应该学习的词汇

学术学习中心提供词汇，阅读和写作的互动练习，以及SAT®和TOEFL®的考试练习

新功能：

- 打印字典的完整内容

- 加上其他搭配，同义词和单词来源

- 关于如何使用字典的指南

- 使用通配符和建议的单词进行搜索

- 搜索中的预测文本可帮助您在查找单词时进行拼写

- 搜索成语和短语动词

- 搜索历史记录，以帮助您找到最近搜索过的单词

- 支持在设备上的其他兼容应用中进行搜索

- 为喜欢的单词添加书签

- 每日一词

- 我的词汇量