n.周年紀(jì)念；周年紀(jì)念日

He gave me a necklace as an anniversary gift. 他給我一條項鏈作為周年紀(jì)念禮物。

They held a dinner to celebrate his anniversary. 為了慶祝他的周年紀(jì)念他們舉辦了一個宴會。

How did you celebrate your wedding anniversary? 你是怎樣慶祝結(jié)婚周年紀(jì)念日的？

anniversary的意思是“周年紀(jì)念”,通常與介詞on或at連用。

anniversary在句中可用作定語修飾其他名詞。