名词
中文翻译：课本
同义词：
['textbook', 'textbook']
例句：
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1.She studied hard for her exams and hoped to pass with flying colors.
她努力学习考试，希望能顺利通过。
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2. The teacher gave us a detailed explanation of the new textbook.
老师给我们详细解释了新教科书的内容。
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3. He bought a new textbook for his son's upcoming exams.
他为儿子即将到来的考试买了一本新的教科书。