篇章，作为超出句子层面的一个语言单位，已经在应用语言学中得到广泛研究。
As a unit of language beyond sentence level, text has been studied in applied linguistics.
句子是篇章中表达一个完整意义的最小基本单位。
Sentences are the minimal units, which can express a complete meaning in text.
以篇章为翻译单位、以师生互动为主要课堂模式，是对英语专业本科生翻译教学的相对合理的定位。
To take text as translation unit and to establish the teacher-student interaction model in class is a relatively reasonable orientation in translation teaching for the English majors.
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