床は

as for the floor

→ 床
phrase Uncommon #17,615
as for the floor 床 means “floor,” and は marks it as the topic of the sentence.
JA: 床はとてもきれいです。
EN: The floor is very clean.

床は冷たい。

The floor is cold.

この床は、落ちた物を拾って食べれるほどきれいだ。

The floor is so clean you could pick up anything you dropped and eat it.

床は、水浸しだった。

The floor was flooded.

床は寒いよ

The floor is cold.

— 動くな、死ね、甦れ! (1990)

彼女の家の床は全部板でできている。

The floors in her house are all made of wood.

床は血だらけだった。

The floor was covered in blood.

床は、水で濡れていた。

The floor was wet with water.

床は埃まみれだった。

The floor was covered in dust.

この床は洗ったのか?

Did you wash this floor?

— 罪人たち (2025)

床は板でできている。

The floor is made of wood.