层
Meaning
- to pile on top of one another
- layer; stratum
- floor (of a building); story
Example sentence
我爱千层面。
I love lasagna.
The character 层
层 counts what is stacked: 一层 a floor of a building, 两层 two layers of anything. 楼 names the building and 层 counts the storeys inside it, which is why an address needs both.