Extended data:
The first year is a paper wedding (metaphor: the initial marriage is as thin as paper, so be careful to protect it. ) paper wedding
The second year's marshmallow wedding (thicker, but also tempered) marshmallow wedding
In the third year of skin marriage (it was a bit difficult at first)
The fourth year diaosi wedding (tight, as flexible as silk, you are thick and I am thick) diaosi wedding
The fifth year of wooden marriage (hard-hearted, already very tough)
Iron marriage in the sixth year (the relationship between husband and wife is as hard as iron) iron marriage or rock sugar marriage
In the seventh year, copper marriage (less rusty and more indestructible than iron) copper marriage.
The ceramic wedding in the eighth year (as beautiful as ceramics, it must be cared for)
In the ninth year, Liu got married (such as weeping willows, I am not afraid of wind and rain)
The tenth tin wedding (as strong as tin, not easy to break) tin wedding
Eleven years of steel marriage (hard as steel, unchanged in this life) steel marriage
The twelfth year of chained marriage (like a chain, the heart is locked) Linenwidding
13th year lace wedding (colorful and diversified life) lace wedding
14th ivory wedding (the longer the time, the brighter the color, the more beautiful it is).
Crystal wedding fifteenth year (transparent, clear and dazzling) crystal wedding