Traditional: 延長
延长 (yán cháng) means “Yanchang county in Yan'an 安, Shaanxi”. It is an HSK 5 Chinese word (traditional 延長) in the HSK 3.0 vocabulary.
学校决定延长图书馆的开放时间方便学生学习。
Xuéxiào juédìng yáncháng túshūguǎn de kāifàng shíjiān fāngbiàn xuésheng xuéxí.
The school decided to extend library opening hours to facilitate student learning.
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