ruby wedding anniversary
noun[C]
uk/ˌruː.bi ˈwed.ɪŋ/us/ˌruː.bi ˈwed.ɪŋ/(USalsoruby anniversary);(UKalsoruby wedding)thedateexactly40yearsafter someone'swedding
红宝石婚（结婚四十周年的日子）Birthdays & anniversaries
- anniversary
- bicentenary
- birthday
- birthday card
- birthday party
- centenary
- diamond jubilee
- diamond wedding anniversary
- earthstrong
- golden jubilee
- Gotcha Day
- jubilee
- landmark birthday
- milestone birthday
- name day
- silver jubilee
- silver wedding anniversary
- tercentenary