层 (céng): 積み重ねる; 層; 階層; 建物の階; 話; (数学) 層; 層を数える助数詞; 層; 階層; 建物の階; 話; 層・階・レベルを数える助数詞

There is a layer of dust on the table.

The cake has three layers.

He lives on the second floor.

There is a layer of dirt on the book.

The trees on the mountain are layer upon layer.

There is a layer of dust on the tabletop.

She lives on the third floor.

The cake has many layers.

This sentence has another layer of meaning.