定冠词使用是表明学习者英语水平的一个重要指标。
Learners use of the definite article is an important index of their English language proficiency.
冠词是英语的一种词类。
英语中有两个冠词，即定冠词和不定冠词。
There are in English two articles: the definite article and the indefinite article.
英语中有两个冠词：定冠词和不定冠词。
There are in English two articles: the definite article and the in-definite article.
英语中有两个冠词：定冠词和不定冠词。
There are in English two articles: the definite article and the in-definite article.
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