While active words demand constant practice and useful words must be committed to memory, words that do not often occur in everyday situations require just a nodding acquaintance.
积极词汇需要经常练习，有用的词汇必须牢记，而在日常情况下不常出现的次只需要见到时认识即可。
While active words demand constant practice and useful words must be committed to memory, words that do not often occur in everyday situations require just a nodding acquaintance.
积极词汇需要经常练习，有用的词汇必须牢记，而在日常情况下不常出现的次只需要见到时认识即可。
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