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关注和学习的困难 attention and learning difficulties
关注和学习困难
Pay attention to and learn from difficulties
以上为机器翻译结果，长、整句建议使用 人工翻译 。
词量积累和扩大是各类英语学习者最感困难的问题之一，也是英语教师毕生关注的焦点。
Vocabulary enlargement presents itself as one of the headaches for English learners at different levels and remains a major concern for teachers through out their career.
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