名词
中文翻译：季节性的等级
同义词：
['seasonal grades', 'seasonal grades']
例句：
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1. The school offers a range of courses for students of different seasons.
学校为不同季节的学生提供一系列课程。
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2. The teacher adjusted the lesson plans to accommodate the changing seasons.
老师调整了教学计划以适应季节变化。
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3. The farmers have to adjust their planting schedules based on the changing seasons.
农民们必须根据季节变化调整他们的种植时间表。