名詞 anniversary:

1. the date on which an event occurred in some previous year (or the celebration of it)
   同義詞：day of remembrance

1. She reproached him for forgetting their anniversary.
   她責備他竟把他們的結婚周年紀念日忘了。
2. Permit me to congratulate you on reaching another of these anniversary landmarks today. May each day be as happy as your birthday. Have a wonderful birthday!
   祝賀你抵達了生命的又一個里程碑，愿你每天都象過生日一樣充滿喜悅。祝你生日無比快樂！
3. She reproached her husband for having forgotten their wedding anniversary.
   她責怪丈夫忘了他們的結婚周年紀念日。
4. How did you celebrate your wedding anniversary?
   你是怎樣慶祝結婚周年紀念日的？
5. He gave me a necklace as an anniversary gift.
   他給我一條項鏈作為周年紀念禮物。

an.ni.ver.sa.ry

n.（名詞）
【復數】 an.ni.ver.sa.ries
The annually recurring date of a past event, especially one of historical, national, or personal importance:
周年紀念，周年紀念日：以往事件的日期每年度地重復，尤指歷史，國家或個人的重要日期：
例句：
a wedding anniversary; the anniversary of the founding of Rome.
結婚紀念日；羅馬建立的紀念日

A celebration commemorating such a date.
周年紀念活動：為紀念這樣的日子進行的紀念活動
n.attributive.（定語名詞）
Often used to modify another noun:
紀念，周年紀念：常用于修飾另一個名詞：
例句：
an anniversary party; an anniversary ring.
紀念會；紀念戒指

來源：
Middle English anniversarie
中古英語 anniversarie
from Medieval Latin (diôs) annivers3ria [anniversary (day)]
源自 中世紀拉丁語 (diôs) annivers3ria [周年紀念日]
from Latin [feminine of] annivers3rius [returning yearly]
源自 拉丁語 [] annivers3rius的陰性詞 [每年一次的]
annus [year] * see at-
annus [年] *參見 at-
versus [past participle of] vertere [to turn] * see wer- 2
versus [] vertere的過去分詞 [轉] *參見 wer- 2