① 周年纪念;周年纪念日 本义 名词 礼俗域 理据— 例句He never forgets to give his wife flowers on their wedding anniversary.他从不会忘记在结婚周年纪念日给妻子送花。Next month is their 50th anniversary, and they're planning a party.下个月是他们五十周年纪念,他们打算办个聚会。 溯源路径本义