周年

例句

• jiàn建xiào校shí十zhōu周nián年 。

  10th school anniversary.

• jīn今nián年shì是zhè这jiā家gōng公sī司chéng成lì立èr二shí十zhōu周nián年 ，gōng公sī司jǔ举bàn办le了yì一chǎng场qìng庆zhù祝wǎn晚huì会 。

  This year is the twentieth anniversary of the company's founding, so the company held a celebration party.

用法