Year Range + 年间
年间 (niánjiān) is a noun meaning "during a period of years" or "in the years between." It is placed after a specific range of years or a dynasty name to indicate a time span. It is commonly found in historical or formal writing.
二十世纪八十年间,这里发生了很大的变化。
Èrshí shìjì bāshí niánjiān, zhèlǐ fāshēng le hěn dà de biànhuà.
During the 1980s of the twentieth century, great changes took place here.
清朝康熙年间,这座桥就已经建成了。
Qīngcháo Kāngxī niánjiān, zhè zuò qiáo jiù yǐjīng jiànchéng le.
This bridge was already built during the Kangxi reign of the Qing Dynasty.
在2010到2020年间,城市人口增长了一倍。
Zài èr líng yī líng dào èr líng èr líng niánjiān, chéngshì rénkǒu zēngzhǎng le yí bèi.
Between 2010 and 2020, the city's population doubled.