The TOEFL iBT and the IELTS both measure all four language skills -- listening, reading, writing and speaking.

托福机考和雅思考试都衡量全部四项语言技能——听力，阅读，写作，口语。

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Ielts English listening, speaking, reading and writing ability test will four parts, so in words memory also need to improve these four pieces of vocabulary skills.

雅思英语能力测试会考听说读写四部分，因此在单词的记忆上也需要掌握提高这四块的词汇能力。

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From the perspective of learning method, the IELTS listening has effects on the improvement of learners' listening, reading, and writing skills, and on the enlargement of their vocabulary.

第三、从学习方法角度看，雅思听力考试对学习者的听力、阅读和写作的提高均有一定的积极影响，并且有助于扩大学习者的词汇量。

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