anniversary /ˌænəˈvɚsəri/ noun plural anniversaries
plural anniversaries
Learner's definition of ANNIVERSARY
[count]
: a date that is remembered or celebrated because a special or notable event occurred on that date in a previous year周年纪念日 -
the anniversary of the invasion/attack入侵/袭击周年纪念日
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We are celebrating our fifth (wedding) anniversary this year. = We are celebrating the fifth anniversary of our wedding this year.今年我们将庆祝结婚五周年。
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The exhibit will close on the 100th anniversary of the artist's death.展览会将在这位艺术家逝世一百周年纪念日当天闭馆。
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often used before another noun常用于另一名词前