形容词
中文翻译：次要的
同义词：
['subordinate', 'secondary', 'tertiary']
例句：
-
1. The second-grade students are learning English in the classroom.
二年级的学生在教室里学习英语。
-
2. The secondary school is located in the city center.
这所中学位于市中心。
-
3. The secondary education system is crucial for a country's development.
中等教育系统对于一个国家的发展至关重要。