The effect of corrective feedback has been a focus on the research of FLT, but it is mostly confined to oral class.

纠正反馈的作用一直是外语课堂研究的一个热点，但大多局限在口语课上，而对分析性外语课堂的研究较少。

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Pfizer's biggest focus is "small molecule" drugs, meaning traditional oral medicines made from synthetic chemicals.

辉瑞公司的最大的重点是“小分子”药物，这意味着传统的口服药物由人工合成的化学品。

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Therefore, the focus of oral diseases is prevention.

由此可知，口腔疾病重点是预防。

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The company is continuing to focus on its oral care segment over other categories such as home care and personal care, although this may hurt it short-term sales growth.

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