名词
中文翻译：四分之一形式
同义词：
['sixth form', 'sixth form']
例句：
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1.The school has a quarternary form for students aged 13-15.
学校为13-15岁的学生设有一个年级。
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2. She completed her education in the sixth form.
她在六年级完成了她的教育。
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3. The new policy will affect all students in the sixth form.
新政策将影响所有六年级的学生。