一周年
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しゅ
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Meanings
1
one full year; first anniversary
Used to mark the completion of one year since an event, often in formal or commemorative contexts.
The company celebrated its first anniversary.
A memorial service was held on the first anniversary of the earthquake disaster.
Usage patterns
- 〈事〉の一周年を迎えるto reach the first anniversary of something
This shop will reach its first anniversary of opening next month.
- 一周年を祝うto celebrate a first anniversary
We held a party to celebrate the company's first anniversary.