anniversary

周年纪念日英释nna date on which something special or important happened in a previous year

1 wedding anniversary,结婚纪念日；结婚周年纪念日

2 happy anniversary,周年纪念快乐

3 silver anniversary,二十五周年纪念日

1 Jack and Kim celebrated their twentieth wedding anniversary in January..1月，杰克和金庆祝了他们的结婚20周年纪念日。